1 files changed, 1 insertions, 0 deletions
diff --git a/makefile b/makefile
index 69fb0c1..ad700ec 100644
--- a/makefile
+++ b/makefile
@@ -31,6 +31,7 @@ VOIDC := $(TOP_DIR)/voidc
 CXX_FLAGS := -std=c++17 \
 	-Wall -Wextra -Werror -pedantic\
 	-MMD -MP -fno-rtti -fno-exceptions \
+	-Wimplicit-fallthrough \
 	-I$(SRC_DIR)
 
 LD_FLAGS := -lc -nostdlib++