diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CStackFrame.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CStackFrame.java
index 520dd9f3ce3..ed13c716d7c 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CStackFrame.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CStackFrame.java
@@ -309,7 +309,7 @@ public class CStackFrame extends CDebugElement
 	 */
 	public void stepInto() throws DebugException
 	{
-		if ( !canStepInto() )
+		if ( canStepInto() )
 		{
 			getThread().stepInto();
 		}