diff --git a/python/gigl/scripts/post_install.py b/python/gigl/scripts/post_install.py
index cd13c4b0..506e65d5 100644
--- a/python/gigl/scripts/post_install.py
+++ b/python/gigl/scripts/post_install.py
@@ -53,7 +53,10 @@ def main():
     try:
         print(f"Executing {cmd}...")
         result = run_command_and_stream_stdout(cmd)
-        print("Post-install script finished running, with return code: ", result)
+        if result != 0:
+            raise RuntimeError(
+                f"Post-install script finished running, with return code: {result}"
+            )
         return result
 
     except subprocess.CalledProcessError as e: