diff --git a/configure.ac b/configure.ac
index 1d8157461..4b652e67c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -756,7 +756,7 @@ AC_ARG_ENABLE([maintainer-flags],
 AS_IF([test "x$enable_maintainer_flags" = "xyes" && test "x$GCC" = "xyes"],
       [
         AS_COMPILER_FLAGS([MAINTAINER_CFLAGS],
-                          ["-Wall -Wshadow -Wcast-align -Wno-uninitialized
+                          ["-Wall -Wshadow -Wcast-align -Wuninitialized
                             -Wno-strict-aliasing -Wempty-body -Wformat
                             -Wformat-security -Winit-self"])
       ]