diff --git a/topstat.py b/topstat.py
index d5c64f3..1ed5e68 100644
--- a/topstat.py
+++ b/topstat.py
@@ -105,7 +105,7 @@ def runtopstat():
 
 
 def main():
-    runIostat()
+    runtopstat()
 
 
 if __name__ == "__main__":