diff --git a/opencl_clang.cpp b/opencl_clang.cpp
index 445031e..7f7287e 100644
--- a/opencl_clang.cpp
+++ b/opencl_clang.cpp
@@ -244,7 +244,8 @@ Compile(const char *pszProgramSource, const char **pInputHeaders,
           optionsParser.args(), *Diags);
 
       // Configure our handling of diagnostics.
-      ProcessWarningOptions(*Diags, compiler->getDiagnosticOpts());
+      ProcessWarningOptions(*Diags, compiler->getDiagnosticOpts(),
+                            compiler->getFileManager().getVirtualFileSystem());
 
       // Map memory buffers to a virtual file system
       MemFS->addFile(