1 files changed, 2 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index aeb4bf5..f542c88 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 WAYLAND_PROTOCOLS=$(shell pkg-config --variable=pkgdatadir wayland-protocols)
 WAYLAND_SCANNER=$(shell pkg-config --variable=wayland_scanner wayland-scanner)
 
-CFLAGS ?= -g -Wall -Wextra -Wno-unused-parameter -Wno-sign-compare
-CFLAGS += -Werror -I. -DWLR_USE_UNSTABLE
+CFLAGS ?= -g -Wall -Wextra -Werror -Wno-unused-parameter -Wno-sign-compare
+CFLAGS += -I. -DWLR_USE_UNSTABLE -std=c99 -Werror=declaration-after-statement
 
 PKGS = wlroots wayland-server xkbcommon
 CFLAGS += $(foreach p,$(PKGS),$(shell pkg-config --cflags $(p)))