diff --git a/test/FrontendObjC/dg.exp b/test/FrontendObjC/dg.exp
index 19f41a1b079..90100ddd94e 100644
--- a/test/FrontendObjC/dg.exp
+++ b/test/FrontendObjC/dg.exp
@@ -2,5 +2,6 @@ load_lib llvm.exp
 
 if [ llvm_gcc_supports objc ] then {
     RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{m}]]
+    RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{mm}]]
 }