diff --git a/compiler-rt/BlocksRuntime/CMakeLists.txt b/compiler-rt/BlocksRuntime/CMakeLists.txt
index 46b8993f3c4c..5b4686b83a69 100644
--- a/compiler-rt/BlocksRuntime/CMakeLists.txt
+++ b/compiler-rt/BlocksRuntime/CMakeLists.txt
@@ -1,4 +1,4 @@
-PROJECT( BlocksRuntime )
+PROJECT( BlocksRuntime C )
 
 SET( SRCS
  runtime.c