diff --git a/cvs.sh b/cvs.sh
index 67d18de..46bd62e 100644
--- a/cvs.sh
+++ b/cvs.sh
@@ -63,7 +63,7 @@ esac
 AUTOMAKE_STRING=`$AUTOMAKE --version | head -n 1`
 required_automake_version="1.6.1 or newer"
 case $AUTOMAKE_STRING in
-  automake*1.6.* | automake*1.7* | automake*1.8* | automake*1.9* | automake*1.10* | automake*1.11* | automake*1.12* | automake*1.13* | automake*1.14* | automake*1.15* )
+  automake*1.6.* | automake*1.[7-9]* | automake*1.[1-9][0-9]* )
     echo "*** $AUTOMAKE_STRING found."
     UNSERMAKE=no
     ;;