--- Makefile.in
+++ Makefile.in
@@ -365,7 +365,7 @@
 eot2ttf_LDADD = libeot.la
 eot2ttf_SOURCES = src/eot2ttf.c
 common_flags = --std=c99 -DDECOMPRESS_ON
-debug_flags = -Werror -Wall -g -O0 $(common_flags)
+debug_flags = -Wall -g -O0 $(common_flags)
 release_flags = -O2 $(common_flags)
 @DEBUG_FALSE@eot2ttf_CFLAGS = $(release_flags)
 @DEBUG_TRUE@eot2ttf_CFLAGS = $(debug_flags)