diff --git a/config/ompi_setup_cc.m4 b/config/ompi_setup_cc.m4
index bfc871f75e..d53220d072 100644
--- a/config/ompi_setup_cc.m4
+++ b/config/ompi_setup_cc.m4
@@ -60,7 +60,7 @@ int i = 3;
     fi
 else
     # We never thought that this was gcc to begin with
-    msg=not applicable
+    msg="not applicable"
     TRULY_GCC=no
 fi
 AC_MSG_RESULT([$msg])