diff --git a/scripts/install.sh b/scripts/install.sh
old mode 100644
new mode 100755
index c34bdfc69..22b89d377
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -72,10 +72,12 @@ if [ "$OS" = "Darwin" ]; then
     unzip -q "$TEMP_DIR/Ollama-darwin.zip" -d "$TEMP_DIR"
     mv "$TEMP_DIR/Ollama.app" "/Applications/"
 
-    status "Adding 'ollama' command to PATH (may require password)..."
-    mkdir -p "/usr/local/bin" 2>/dev/null || sudo mkdir -p "/usr/local/bin"
-    ln -sf "/Applications/Ollama.app/Contents/Resources/ollama" "/usr/local/bin/ollama" 2>/dev/null || \
-        sudo ln -sf "/Applications/Ollama.app/Contents/Resources/ollama" "/usr/local/bin/ollama"
+    if [ ! -L "/usr/local/bin/ollama" ] || [ "$(readlink "/usr/local/bin/ollama")" != "/Applications/Ollama.app/Contents/Resources/ollama" ]; then
+        status "Adding 'ollama' command to PATH (may require password)..."
+        mkdir -p "/usr/local/bin" 2>/dev/null || sudo mkdir -p "/usr/local/bin"
+        ln -sf "/Applications/Ollama.app/Contents/Resources/ollama" "/usr/local/bin/ollama" 2>/dev/null || \
+            sudo ln -sf "/Applications/Ollama.app/Contents/Resources/ollama" "/usr/local/bin/ollama"
+    fi
 
     if [ -z "${OLLAMA_NO_START:-}" ]; then
         status "Starting Ollama..."