diff --git a/config.mak.dev b/config.mak.dev
index cd4a82a9eb4a2b0a4a1d45f0186cd7f858a0ff57..20168e5691eea53318144fbf3784b469c3e8bf84 100644
--- a/config.mak.dev
+++ b/config.mak.dev
@@ -15,6 +15,7 @@ DEVELOPER_CFLAGS += -Wpointer-arith
 DEVELOPER_CFLAGS += -Wstrict-prototypes
 DEVELOPER_CFLAGS += -Wunused
 DEVELOPER_CFLAGS += -Wvla
+DEVELOPER_CFLAGS += -fno-common
 
 DEVELOPER_CFLAGS += -DENABLE_SHA256