diff --git a/libemile/Makefile b/libemile/Makefile
index fad7f9f..7b5c58e 100644
--- a/libemile/Makefile
+++ b/libemile/Makefile
@@ -44,7 +44,7 @@ SOURCES = emile_block0_write.c emile_checksum.c emile_first_get_param.c \
 
 HEADERS = emile.h libemile.h partition.h bootblock.h
 
-CFLAGS  = -Wall -g
+CFLAGS  = -Wall -Werror -g
 CPPFLAGS = -I../libmacos -I../libcontainer -I../libstream
 
 all: $(LIBRARY)