diff --git a/projects/qcms/build.sh b/projects/qcms/build.sh
index cedee42ee..9b56aaeda 100644
--- a/projects/qcms/build.sh
+++ b/projects/qcms/build.sh
@@ -21,9 +21,9 @@ $CC $CFLAGS -c \
   chain.c \
   iccread.c \
   matrix.c \
-  transform.c \
-  transform-sse1.c \
-  transform-sse2.c \
+  transform.cpp \
+  transform-sse1.cpp \
+  transform-sse2.cpp \
   transform_util.c
 
 $CXX $CXXFLAGS -std=c++11 \