diff --git a/collect.py b/collect.py
index 227150b..971866f 100644
--- a/collect.py
+++ b/collect.py
@@ -189,7 +189,7 @@ def collect_data(minutes, interval):
         # Collect data using system commands
 
         zpoolIostat()
-        ifstat()
+        coreifstat()
 
         if is_debian():
             scaleIostat_cpu()