diff --git a/optimize_gguf.py b/optimize_gguf.py
index b3b1a53..5358fb1 100755
--- a/optimize_gguf.py
+++ b/optimize_gguf.py
@@ -22,7 +22,11 @@
 
 class GGUFOptimizer:
     def __init__(self):
-        self.ollama_models_dir = Path.home() / ".ollama" / "models"
+        home_models_dir = Path.home() / ".ollama" / "models"
+        if home_models_dir.is_dir() and any(home_models_dir.iterdir()):
+            self.ollama_models_dir = home_models_dir
+        else:
+            self.ollama_models_dir = Path("/usr/share/ollama") / ".ollama" / "models"
         self.blobs_dir = self.ollama_models_dir / "blobs"
         self.manifests_dir = self.ollama_models_dir / "manifests"