diff --git a/scripts/build.sh b/scripts/build.sh
index 10b487a..372a1ec 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -151,7 +151,6 @@ while [[ $# -gt 0 ]]; do
         --debug           ) DEBUG="on"; shift ;;
         --help            ) usage; shift ;;
         --                ) shift; break;;
-        ?                 ) usage "Unknown parameter: $2"; break ;;
    esac
 done
 
diff --git a/scripts/run.sh b/scripts/run.sh
index 8ff1da8..0cf84dc 100755
--- a/scripts/run.sh
+++ b/scripts/run.sh
@@ -150,7 +150,7 @@ fi
 # fi
 # OFFLINE="--offline"
 clear
-
-COMMAND_LINE=(--arch "$ARCH" --release-type "$RELEASE_TYPE" --magisk-ver "$MAGISK_VER" --gapps-brand "$GAPPS_BRAND" --gapps-variant "$GAPPS_VARIANT" "$REMOVE_AMAZON" --root-sol "$ROOT_SOL" "$COMPRESS_OUTPUT" "$OFFLINE" "$DEBUG" "$CUSTOM_MAGISK")
+declare -A RELEASE_TYPE_MAP=(["retail"]="retail" ["release preview"]="RP" ["insider slow"]="WIS" ["insider fast"]="WIF")
+COMMAND_LINE=(--arch "$ARCH" --release-type "${RELEASE_TYPE_MAP[$RELEASE_TYPE]}" --magisk-ver "$MAGISK_VER" --gapps-brand "$GAPPS_BRAND" --gapps-variant "$GAPPS_VARIANT" "$REMOVE_AMAZON" --root-sol "$ROOT_SOL" "$COMPRESS_OUTPUT" "$OFFLINE" "$DEBUG" "$CUSTOM_MAGISK")
 echo "COMMAND_LINE=${COMMAND_LINE[*]}"
 ./build.sh "${COMMAND_LINE[@]}"