1 files changed, 1 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index d416dfc..6152ece 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 TARGET    := pipac
 SRC_DIR   := src
 BUILD_DIR := build
-CFLAGS    := -Werror -Wall -Wextra -pedantic -std=c11 -ggdb
+CFLAGS    := -Werror -Wall -Wextra -Wmissing-declarations -pedantic -std=c11 -ggdb
 
 SRCS      := $(wildcard $(SRC_DIR)/*.c)
 HEADERS   := $(wildcard $(SRC_DIR)/*.h)