diff --git a/llvm.spec b/llvm.spec
index 8e31b59..6fe9441 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -151,7 +151,7 @@ sed -i s,SVN_REVISION,\"%{_revision}\",g tools/clang/lib/Basic/Version.cpp
 sed -i s,LLVM_REVISION,\"%{_revision}\",g tools/clang/lib/Basic/Version.cpp
 
 # Nasty hardcoded path
-sed -i s,/lib/,/%{_lib}/,g tools/clang/lib/Driver/Tools.cpp
+sed -i s,/lib/,/%{_lib}/,g tools/clang/lib/Driver/Tools.cpp tools/clang/test/Preprocessor/iwithprefix.c
 
 # Only enable target archs otherwise llvm-config is messed up
 sed -i s,"subdirectories = .*","subdirectories = ARM PowerPC X86", lib/Target/LLVMBuild.txt