diff --git a/third-party/miniupnp/updateminiupnpcstrings.sh b/third-party/miniupnp/updateminiupnpcstrings.sh
index 3f3e7e749..dc075e314 100755
--- a/third-party/miniupnp/updateminiupnpcstrings.sh
+++ b/third-party/miniupnp/updateminiupnpcstrings.sh
@@ -38,7 +38,7 @@ if [ "$OS_NAME" = "AmigaOS" ]; then
 fi
 
 echo "Detected OS [$OS_NAME] version [$OS_VERSION]"
-MINIUPNPC_VERSION=`cat VERSION`
+MINIUPNPC_VERSION=`cat ${VERSION_FILE}`
 echo "MiniUPnPc version [${MINIUPNPC_VERSION}]"
 
 EXPR="s|OS_STRING \".*\"|OS_STRING \"${OS_NAME}/${OS_VERSION}\"|"