diff --git a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/ErrorParserManager.java b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/ErrorParserManager.java
index c6c49be890c..783fee6577f 100644
--- a/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/ErrorParserManager.java
+++ b/core/org.eclipse.cdt.core/src/org/eclipse/cdt/core/ErrorParserManager.java
@@ -272,6 +272,9 @@ public class ErrorParserManager extends OutputStream {
 		if (resourceLocation == null) {
 			return false;
 		}
+		if (location.getDevice()==null) {
+			resourceLocation = resourceLocation.setDevice(null);
+		}
 		if (location.isAbsolute()) {
 			return location.equals(resourceLocation);
 		} else {