diff --git a/configure.ac b/configure.ac
index 2a29f04d9..2a87c9d85 100644
--- a/configure.ac
+++ b/configure.ac
@@ -168,6 +168,7 @@ AC_CXX_FLAG([-Wextra],[AC_CXX_FLAG([-W])])
 AC_CXX_FLAG([-Wno-unused-parameter])
 AC_CXX_FLAG([-Wno-long-long])
 AC_CXX_FLAG([-fpermissive])
+AC_CXX_FLAG([-fno-strict-aliasing])
 AC_CXX_FLAG([-std=c++98])