diff --git a/src/Makefile.am b/src/Makefile.am
index 32b70d4678..b29bfdac13 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,3 +1,4 @@
+AUTOMAKE_OPTIONS= -Wno-portability
 MAINTAINERCLEANFILES = Makefile.in
 CLEANFILES =
 BUILT_SOURCES =