diff --git a/src/lib/Makefile.am b/src/lib/Makefile.am
index 4ec446ac3..eb1a20548 100644
--- a/src/lib/Makefile.am
+++ b/src/lib/Makefile.am
@@ -19,7 +19,7 @@ liblumiera_la_srcdir = $(top_srcdir)/src/lib
 lib_LTLIBRARIES += liblumiera.la
 
 liblumiera_la_CFLAGS = $(AM_CFLAGS) -std=gnu99 -Wall -Wextra -Werror
-liblumiera_la_CXXFLAGS = $(AM_CXXFLAGS) -Wall -Wextra -Werror
+liblumiera_la_CXXFLAGS = $(AM_CXXFLAGS) -Wall -Wextra
 
 liblumiera_la_SOURCES =						\
 	$(liblumiera_la_srcdir)/error.c				\