diff --git a/configure b/configure
index e053c9b..18ef585 100755
--- a/configure
+++ b/configure
@@ -2818,7 +2818,7 @@ g++*)
     3.*)
 	COMPILER_VERSION="3.*"
 	;;
-    7.*|6.*|5.*|4.*)
+    [7-8]|[4-6].*)
 	COMPILER_VERSION="4.*"
 	;;
     *)