diff --git a/uefi-build.sh b/uefi-build.sh
index 4155c43..80f51fe 100755
--- a/uefi-build.sh
+++ b/uefi-build.sh
@@ -84,8 +84,8 @@ function build_platform
        #if [ "$TOOLCHAIN" == "" ]; then
                gcc_version=$(${CROSS_COMPILE}gcc -dumpversion)
                case $gcc_version in
-               4.6|4.7|4.8)
-                       export TOOLCHAIN=GCC$(echo ${gcc_version} | sed s-\\.--g)
+               4.6*|4.7*|4.8*)
+                       export TOOLCHAIN=GCC$(echo ${gcc_version} | awk -F. '{print $1$2}')
                        echo "Setting TOOLCHAIN ${TOOLCHAIN}"
                        ;;
                *)