diff --git a/src/install.sh b/src/install.sh
index fcbf8ef..38f537f 100644
--- a/src/install.sh
+++ b/src/install.sh
@@ -680,8 +680,13 @@ addDriver() {
   local path="$2"
   local target="$3"
   local driver="$4"
+  local desc=""
   local folder=""
 
+  if [ -z "$id" ]; then
+    warn "no Windows version specified for \"$driver\" driver!" && return 0
+  fi
+
   case "${id,,}" in
     "win7x86"* ) folder="w7/x86" ;;
     "win7x64"* ) folder="w7/amd64" ;;
@@ -701,7 +706,8 @@ addDriver() {
   esac
 
   if [ -z "$folder" ]; then
-    warn "no \"$driver\" driver found for \"$DETECTED\" !" && return 0
+    desc=$(printVersion "$id" "$id")
+    warn "no \"$driver\" driver available for \"$desc\" !" && return 0
   fi
 
   [ ! -d "$path/$driver/$folder" ] && return 0
@@ -728,6 +734,11 @@ addDrivers() {
   local version="$5"
   local drivers="$tmp/drivers"
 
+  if [ -z "$version" ]; then
+    version="win11x64"
+    warn "Windows version unknown, falling back to Windows 11 drivers..."
+  fi
+
   rm -rf "$drivers"
   mkdir -p "$drivers"