diff --git a/Makefile b/Makefile
index bd6f054c..9e58cc7b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CLANG_FORMAT ?= clang-format
+CLANG_FORMAT ?= clang-format-5.0
 
 .PHONY: database format clean env