diff --git a/Makefile b/Makefile
index 9a0f75e06..6982b7945 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 CC = gcc
-CFLAGS = -g -Wall --std=c99 -D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=200809L -fPIC -I. -Ithirdparty -Ithirdparty/ae -Wno-typedef-redefinition
+CFLAGS = -g -Wall --std=c99 -D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=200809L -fPIC -I. -Ithirdparty -Ithirdparty/ae -Wno-typedef-redefinition -Werror
 BUILD = build
 
 all: hiredis $(BUILD)/libcommon.a