diff --git a/core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/search/indexing/SourceIndexer.java b/core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/search/indexing/SourceIndexer.java
index ddd3a1ccedf..ae24ab1534b 100644
--- a/core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/search/indexing/SourceIndexer.java
+++ b/core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/search/indexing/SourceIndexer.java
@@ -88,7 +88,7 @@ public class SourceIndexer extends AbstractIndexer {
 		IScannerInfo scanInfo = new ScannerInfo();
 		IScannerInfoProvider provider = CCorePlugin.getDefault().getScannerInfoProvider(currentProject);
 		if (provider != null){
-		  IScannerInfo buildScanInfo = provider.getScannerInformation(currentProject);
+		  IScannerInfo buildScanInfo = provider.getScannerInformation(resourceFile);
 		  if (buildScanInfo != null){
 			scanInfo = new ScannerInfo(buildScanInfo.getDefinedSymbols(), buildScanInfo.getIncludePaths());
 		  }