diff --git a/test/FrontendC/2009-03-09-WeakDeclarations-1.c b/test/FrontendC/2009-03-09-WeakDeclarations-1.c
index 15b9801699a..13ea84f7bae 100644
--- a/test/FrontendC/2009-03-09-WeakDeclarations-1.c
+++ b/test/FrontendC/2009-03-09-WeakDeclarations-1.c
@@ -1,4 +1,4 @@
-// RUN: $llvmgcc $test -c -o /dev/null |& \
+// RUN: %llvmgcc_only %s -c -o /dev/null |& \
 // RUN: egrep {(14|15|22): warning:} |	\
 // RUN: wc -l | grep --quiet 3
 // XTARGET: darwin,linux
diff --git a/test/lib/llvm.exp b/test/lib/llvm.exp
index eb437588f3c..cd36c61b5e7 100644
--- a/test/lib/llvm.exp
+++ b/test/lib/llvm.exp
@@ -59,6 +59,8 @@ proc substitute { line test tmpFile } {
   regsub -all {%%} $new_line {_#MARKER#_} new_line
   #replace %prcontext with prcontext.tcl (Must replace before %p)
   regsub -all {%prcontext} $new_line $prcontext new_line
+  #replace %llvmgcc_only with actual path to llvmgcc
+  regsub -all {%llvmgcc_only} $new_line "$llvmgcc" new_line
   #replace %llvmgcc with actual path to llvmgcc
   regsub -all {%llvmgcc} $new_line "$llvmgcc -emit-llvm -w" new_line
   #replace %llvmgxx with actual path to llvmg++