diff --git a/games/factorio_manager.sh b/games/factorio_manager.sh
index 2c8d3ab8bbfbca3b0a6fde334247e12c1bf8fec6..d96d9efb0d0aa092e064aab8dabb5367e740a2e5 100755
--- a/games/factorio_manager.sh
+++ b/games/factorio_manager.sh
@@ -875,43 +875,40 @@ shift
 if [[ $command == set-game-dir ]]; then
 
     # Read and verify additional positional arguments.
-    game_installations_directory="${1-}"
+    game_installations_directory_target="${1-}"
     shift
 
-    if [[ -z $game_installations_directory ]]; then
+    if [[ -z $game_installations_directory_target ]]; then
         error "Missing argument: GAME_INSTALLATIONS_DIRECTORY"
         exit "$ERROR_ARGUMENTS"
     fi
 
-    if [[ ! -e $game_installations_directory ]]; then
+    if [[ ! -e $game_installations_directory_target ]]; then
         error "No such directory: $game_installations_directory"
         exit "$ERROR_GENERAL"
     fi
 
-    # Set-up additional derived variables.
-    symlink="$manager_directory/.game_installations"
-
     # Verify that at least one Factorio instance can be found.
     factorio_versions_found=0
-    for candidate in "$game_installations_directory"/*; do
+    for candidate in "$game_installations_directory_target"/*; do
         if [[ -f $candidate/bin/x64/factorio ]]; then
             let factorio_versions_found++
         fi
     done
 
     if (( $factorio_versions_found == 0 )); then
-        error "Could not locate any Factorio installations under: $game_installations_directory"
+        error "Could not locate any Factorio installations under: $game_installations_directory_target"
 
         exit "$ERROR_GENERAL"
     fi
 
     # Update the link
-    if [[ -L $symlink ]]; then
-        rm "$symlink"
+    if [[ -L $game_installations_directory ]]; then
+        rm "$game_installations_directory"
     fi
 
-    if ! ln -s "$game_installations_directory" "$symlink"; then
-        error "Could not create symlink from $game_installations_directory to $symlink."
+    if ! ln -s "$game_installations_directory_target" "$game_installations_directory"; then
+        error "Could not create symlink from '$game_installations_directory_target' to '$game_installations_directory'."
 
         exit "$ERROR_GENERAL"
     fi