diff --git a/mp_compile.py b/mp_compile.py
index 5fac2399f..7e4f10e8f 100644
--- a/mp_compile.py
+++ b/mp_compile.py
@@ -77,4 +77,5 @@ def install():
               "%s processes" % MAX_PROCS)
 
 
-install()
+if __name__ == "__main__":
+    install()