diff --git a/debug/org.eclipse.cdt.debug.core/ChangeLog b/debug/org.eclipse.cdt.debug.core/ChangeLog
index 07b0764806b..f923c97f656 100644
--- a/debug/org.eclipse.cdt.debug.core/ChangeLog
+++ b/debug/org.eclipse.cdt.debug.core/ChangeLog
@@ -1,3 +1,8 @@
+2005-06-28 Mikhail Khodjaiants
+	Bug 101188: Breakpoints don't work with MingW gdb.
+	Use "toPortableString" instead of "toOsString" when setting the source search paths.
+	* CDebugTarget.java
+
 2005-06-27 Alain Magloire
 	Change in ICDIReferenceValue.
 	* cdi/org/eclipse/cdt/debug/core/cdi/model/type/ICDIReferenceValue.java
diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CDebugTarget.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CDebugTarget.java
index a09ca510e08..00c86c51ede 100644
--- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CDebugTarget.java
+++ b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CDebugTarget.java
@@ -94,8 +94,10 @@ import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IResourceChangeListener;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.MultiStatus;
+import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Preferences;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.core.runtime.Preferences.IPropertyChangeListener;
@@ -1729,17 +1731,19 @@ public class CDebugTarget extends CDebugElement implements ICDebugTarget, ICDIEv
 			if ( containers[i] instanceof ProjectSourceContainer ) {
 				IProject project = ((ProjectSourceContainer)containers[i]).getProject();
 				if ( project != null && project.exists() )
-					list.add( project.getLocation().toOSString() );
+					list.add( project.getLocation().toPortableString() );
 			}
 			if ( containers[i] instanceof FolderSourceContainer ) {
 				IContainer container = ((FolderSourceContainer)containers[i]).getContainer();
 				if ( container != null && container.exists() )
-					list.add( container.getLocation().toOSString() );
+					list.add( container.getLocation().toPortableString() );
 			}
 			if ( containers[i] instanceof CDirectorySourceContainer ) {
 				File dir = ((CDirectorySourceContainer)containers[i]).getDirectory();
-				if ( dir != null && dir.exists() )
-					list.add( dir.getAbsolutePath() );
+				if ( dir != null && dir.exists() ) {
+					IPath path = new Path( dir.getAbsolutePath() );
+					list.add( path.toPortableString() );
+				}
 			}
 			if ( containers[i].isComposite() ) {
 				try {