--- src/Makefile.in
+++ src/Makefile.in
@@ -274,7 +274,7 @@
 top_srcdir = @top_srcdir@
 AUTOMAKE_OPTIONS = foreign no-dependencies
 SUBDIRS = mans
-@COMPILER_IS_GCC_TRUE@AM_CFLAGS = -Wall -Werror
+@COMPILER_IS_GCC_TRUE@AM_CFLAGS = -Wall
 include_HEADERS = oping.h
 lib_LTLIBRARIES = liboping.la