diff --git a/linux-armv7/Dockerfile b/linux-armv7/Dockerfile
index 087b2a4..746b4d1 100644
--- a/linux-armv7/Dockerfile
+++ b/linux-armv7/Dockerfile
@@ -21,7 +21,7 @@ ENV CROSS_ROOT /usr/${CROSS_TRIPLE}
 ENV AS=/usr/bin/${CROSS_TRIPLE}-as \
     AR=/usr/bin/${CROSS_TRIPLE}-ar \
     CC=/usr/bin/${CROSS_TRIPLE}-gcc \
-    CPP=/usr/bin/${CROSS_TRIPLE}-cpp \
+    CPP=/usr/bin/${CROSS_TRIPLE}-cpp-4.9 \
     CXX=/usr/bin/${CROSS_TRIPLE}-g++ \
     LD=/usr/bin/${CROSS_TRIPLE}-ld