1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 96ce393..8d34310 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 CC?=gcc
 XFLAGS=-D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=200809L
-CFLAGS?=-std=c11 -O2 -flto -Wall $(XFLAGS)
+CFLAGS+=-std=c11 -O2 -flto -Wall $(XFLAGS)
 
 LIBS:=-lexif
 LIBS+=$(shell pkg-config --cflags --libs GraphicsMagickWand)