diff --git a/configure.ac b/configure.ac
index ee3924b7..66ddc35b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -104,7 +104,8 @@ be sad
 ]])],
   [AC_MSG_RESULT(yes)
    AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wno-unknown-warning-option],
-  [CWFLAGS="$CWFLAGS -Wno-unknown-warning-option"])],
+     [CWFLAGS="$CWFLAGS -Wno-unknown-warning-option"])
+  ],
   [AC_MSG_RESULT(no)
 ])