diff --git a/NPLib/scripts/build_dict.sh.in b/NPLib/scripts/build_dict.sh.in
index 06950b3ef1abec02aad5f49ffdc32d874bec2c50..e032afeff9cffb70e6746e129e76136542b319e4 100755
--- a/NPLib/scripts/build_dict.sh.in
+++ b/NPLib/scripts/build_dict.sh.in
@@ -38,7 +38,8 @@ if [ $is_root != "" ];
 fi
 
 # Get the Major version
-version_major="${version%.*}"
+version_major_string="${version%.*}"
+version_major=$(($version_major_string))
 
 # if before version 4, exit
 if [ $version_major -lt 5 ]