diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/InternalParserUtil.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/InternalParserUtil.java
index 6e962f33de0..068f8c69083 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/InternalParserUtil.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/parser/InternalParserUtil.java
@@ -62,7 +62,7 @@ public class InternalParserUtil extends ParserFactory {
 	 */
 	public static CodeReader createWorkspaceFileReader(String path, IFile file) throws CoreException, IOException{
 		path = normalizePath(path, file);
-		InputStream in= file.getContents();
+		InputStream in= file.getContents(true);
 		try {
 			return new CodeReader(path, file.getCharset(), in);
 		} finally {