diff --git a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/ScannerInfoConsoleParserUtility.java b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/ScannerInfoConsoleParserUtility.java
index 1ff5e0f1e53..af58dd60d6a 100644
--- a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/ScannerInfoConsoleParserUtility.java
+++ b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/internal/core/scannerconfig/gnu/ScannerInfoConsoleParserUtility.java
@@ -221,7 +221,7 @@ public class ScannerInfoConsoleParserUtility extends AbstractGCCBOPConsoleParser
 					// appending fileName to cwd should yield file path
 					filePath = cwd.append(fileName);
 				}
-				if (!filePath.toString().equalsIgnoreCase(EFSExtensionManager.getDefault().getPathFromURI(file.getLocationURI()))) {
+				if (!filePath.toOSString().equalsIgnoreCase(EFSExtensionManager.getDefault().getPathFromURI(file.getLocationURI()))) {
 					// must be the cwd is wrong
 					// check if file name starts with ".."
 					if (fileName.startsWith("..")) {	//$NON-NLS-1$