1 files changed, 1 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 1d3bd20..546c605 100644
--- a/Makefile
+++ b/Makefile
@@ -34,6 +34,7 @@ DEFAULT_CFLAGS := \
     -g \
     -Wall \
     -Wformat=2 \
+    -Werror=implicit \
     -Wimplicit-fallthrough \
     -Wmissing-declarations \
     -Wshadow \