diff --git a/Makefile b/Makefile
index 7b813ca..6b7751f 100644
--- a/Makefile
+++ b/Makefile
@@ -34,7 +34,7 @@ ifeq ($(CONFIG_UBSAN),true)
     SHARED_FLAGS += -fsanitize=undefined -fno-sanitize-recover=undefined
 endif
 
-CFLAGS := $(CFLAGS) -std=c17 $(SHARED_FLAGS) -Wmissing-prototypes
+CFLAGS := $(CFLAGS) -std=c17 $(SHARED_FLAGS) -Wmissing-prototypes -Wstrict-prototypes
 CXXFLAGS := $(CXXFLAGS) -std=c++17 -fsized-deallocation $(SHARED_FLAGS)
 LDFLAGS := $(LDFLAGS) -Wl,-O1,--as-needed,-z,defs,-z,relro,-z,now,-z,nodlopen,-z,text