diff --git a/src/main/java/ch/eitchnet/utils/dbc/DBC.java b/src/main/java/ch/eitchnet/utils/dbc/DBC.java
index 68d1e1928..1b43adf76 100644
--- a/src/main/java/ch/eitchnet/utils/dbc/DBC.java
+++ b/src/main/java/ch/eitchnet/utils/dbc/DBC.java
@@ -17,6 +17,7 @@ package ch.eitchnet.utils.dbc;
 
 import java.io.File;
 import java.text.MessageFormat;
+import java.util.Arrays;
 import java.util.Collection;
 
 import ch.eitchnet.utils.helper.StringHelper;
@@ -38,8 +39,8 @@ public enum DBC {
 		if (value2 != null && value2.equals(value1))
 			return;
 
-		String ex = "Values are not equal: {0}"; //$NON-NLS-1$
-		ex = MessageFormat.format(ex, msg);
+		String ex = "{0}: {1} != {2}"; //$NON-NLS-1$
+		ex = MessageFormat.format(ex, msg, value1, value2);
 		throw new DbcException(ex);
 	}
 
@@ -50,8 +51,8 @@ public enum DBC {
 		if (value2 != null && !value2.equals(value1))
 			return;
 
-		String ex = "Values are equal: {0}"; //$NON-NLS-1$
-		ex = MessageFormat.format(ex, msg);
+		String ex = "{0}: {1} == {2}"; //$NON-NLS-1$
+		ex = MessageFormat.format(ex, msg, value1, value2);
 		throw new DbcException(ex);
 	}
 
@@ -73,8 +74,8 @@ public enum DBC {
 
 	public void assertEmpty(String msg, String value) {
 		if (!StringHelper.isEmpty(value)) {
-			String ex = "Illegal non-empty value: {0}"; //$NON-NLS-1$
-			ex = MessageFormat.format(ex, msg);
+			String ex = "{0}: Illegal non-empty value: {1}"; //$NON-NLS-1$
+			ex = MessageFormat.format(ex, msg, value);
 			throw new DbcException(ex);
 		}
 	}
@@ -82,8 +83,8 @@ public enum DBC {
 	public void assertEmpty(String msg, Object[] array) {
 		assertNotNull(msg, array);
 		if (array.length != 0) {
-			String ex = "Illegal non-empty value: {0}"; //$NON-NLS-1$
-			ex = MessageFormat.format(ex, msg);
+			String ex = "{0}: Illegal non-empty value: {1}"; //$NON-NLS-1$
+			ex = MessageFormat.format(ex, msg, Arrays.toString(array));
 			throw new DbcException(ex);
 		}
 	}
@@ -91,15 +92,15 @@ public enum DBC {
 	public void assertEmpty(String msg, Collection<?> collection) {
 		assertNotNull(msg, collection);
 		if (!collection.isEmpty()) {
-			String ex = "Illegal non-empty value: {0}"; //$NON-NLS-1$
-			ex = MessageFormat.format(ex, msg);
+			String ex = "{0}: Illegal non-empty value: {1}"; //$NON-NLS-1$
+			ex = MessageFormat.format(ex, msg, collection.toString());
 			throw new DbcException(ex);
 		}
 	}
 
 	public void assertNotEmpty(String msg, String value) {
 		if (StringHelper.isEmpty(value)) {
-			String ex = "Illegal empty value: {0}"; //$NON-NLS-1$
+			String ex = "{0}: Illegal empty value"; //$NON-NLS-1$
 			ex = MessageFormat.format(ex, msg);
 			throw new DbcException(ex);
 		}
@@ -108,7 +109,7 @@ public enum DBC {
 	public void assertNotEmpty(String msg, Object[] array) {
 		assertNotNull(msg, array);
 		if (array.length == 0) {
-			String ex = "Illegal empty value: {0}"; //$NON-NLS-1$
+			String ex = "{0}: Illegal empty value"; //$NON-NLS-1$
 			ex = MessageFormat.format(ex, msg);
 			throw new DbcException(ex);
 		}
@@ -117,7 +118,7 @@ public enum DBC {
 	public void assertNotEmpty(String msg, Collection<?> collection) {
 		assertNotNull(msg, collection);
 		if (collection.isEmpty()) {
-			String ex = "Illegal empty value: {0}"; //$NON-NLS-1$
+			String ex = "{0}: Illegal empty value"; //$NON-NLS-1$
 			ex = MessageFormat.format(ex, msg);
 			throw new DbcException(ex);
 		}
@@ -125,7 +126,7 @@ public enum DBC {
 
 	public void assertNotNull(String msg, Object value) {
 		if (value == null) {
-			String ex = "Illegal null value: {0}"; //$NON-NLS-1$
+			String ex = "{0}: Illegal null value"; //$NON-NLS-1$
 			ex = MessageFormat.format(ex, msg);
 			throw new DbcException(ex);
 		}
@@ -133,8 +134,8 @@ public enum DBC {
 
 	public void assertNull(String msg, Object value) {
 		if (value != null) {
-			String ex = "Illegal situation as value is not null: {0}"; //$NON-NLS-1$
-			ex = MessageFormat.format(ex, msg);
+			String ex = "{0}: {1} != null"; //$NON-NLS-1$
+			ex = MessageFormat.format(ex, msg, value);
 			throw new DbcException(ex);
 		}
 	}
diff --git a/src/test/java/ch/eitchnet/utils/dbc/DBCTest.java b/src/test/java/ch/eitchnet/utils/dbc/DBCTest.java
index 5877e46d2..7c18a3ab2 100644
--- a/src/test/java/ch/eitchnet/utils/dbc/DBCTest.java
+++ b/src/test/java/ch/eitchnet/utils/dbc/DBCTest.java
@@ -16,6 +16,7 @@
 package ch.eitchnet.utils.dbc;
 
 import java.io.File;
+import java.text.MessageFormat;
 
 import org.junit.Rule;
 import org.junit.Test;
@@ -64,10 +65,10 @@ public class DBCTest {
 	@Test
 	public void testAssertEquals_2() throws Exception {
 		this.exception.expect(DbcException.class);
-		this.exception.expectMessage("Values are not equal:");
-		String msg = "";
 		Object value1 = new Object();
 		Object value2 = new Object();
+		String msg = MessageFormat.format("{0}: {1} != {2}", "", value1, value2);
+		this.exception.expectMessage(msg);
 
 		DBC.PRE.assertEquals(msg, value1, value2);
 
@@ -87,12 +88,13 @@ public class DBCTest {
 	@Test
 	public void testAssertEquals_3() throws Exception {
 		this.exception.expect(DbcException.class);
-		this.exception.expectMessage("Values are not equal:");
 
-		String msg = "";
 		Object value1 = null;
 		Object value2 = new Object();
 
+		String msg = MessageFormat.format("{0}: {1} != {2}", "", value1, value2);
+		this.exception.expectMessage(msg);
+
 		DBC.PRE.assertEquals(msg, value1, value2);
 
 		// add additional test code here
@@ -108,12 +110,13 @@ public class DBCTest {
 	@Test
 	public void testAssertEquals_4() throws Exception {
 		this.exception.expect(DbcException.class);
-		this.exception.expectMessage("Values are not equal:");
 
-		String msg = "";
 		Object value1 = new Object();
 		Object value2 = null;
 
+		String msg = MessageFormat.format("{0}: {1} != {2}", "", value1, value2);
+		this.exception.expectMessage(msg);
+
 		DBC.PRE.assertEquals(msg, value1, value2);
 
 		// add additional test code here
@@ -150,12 +153,15 @@ public class DBCTest {
 	@Test
 	public void testAssertNotEquals_1() throws Exception {
 		this.exception.expect(DbcException.class);
-		this.exception.expectMessage("Values are equal:");
 
 		String msg = "";
 		Object value1 = null;
 		Object value2 = null;
 
+		String ex = "{0}: {1} == {2}";
+		ex = MessageFormat.format(ex, msg, value1, value2);
+		this.exception.expectMessage(ex);
+
 		DBC.PRE.assertNotEquals(msg, value1, value2);
 	}
 
@@ -217,12 +223,15 @@ public class DBCTest {
 	@Test
 	public void testAssertNotEquals_5() throws Exception {
 		this.exception.expect(DbcException.class);
-		this.exception.expectMessage("Values are equal:");
 
 		String msg = "";
 		Object value1 = "bla";
 		Object value2 = "bla";
 
+		String ex = "{0}: {1} == {2}";
+		ex = MessageFormat.format(ex, msg, value1, value2);
+		this.exception.expectMessage(ex);
+
 		DBC.PRE.assertNotEquals(msg, value1, value2);
 	}
 
@@ -379,11 +388,14 @@ public class DBCTest {
 	@Test
 	public void testAssertNotNull_1() throws Exception {
 		this.exception.expect(DbcException.class);
-		this.exception.expectMessage("Illegal null value:");
 
 		String msg = "";
 		Object value = null;
 
+		String ex = "{0}: Illegal null value";
+		ex = MessageFormat.format(ex, msg, value);
+		this.exception.expectMessage(ex);
+
 		DBC.PRE.assertNotNull(msg, value);
 	}
 
@@ -414,11 +426,12 @@ public class DBCTest {
 	@Test
 	public void testAssertNull_1() throws Exception {
 		this.exception.expect(DbcException.class);
-		this.exception.expectMessage("Illegal situation as value is not null:");
 
-		String msg = "";
 		Object value = new Object();
 
+		String msg = MessageFormat.format("{0}: {1} != null", "", value);
+		this.exception.expectMessage(msg);
+
 		DBC.PRE.assertNull(msg, value);
 	}