diff --git a/xgm.py b/xgm.py
index d610569d11db170904b8954d01b9c97a1194f8cd..3f4556ee4b28d4038295be97cab649b6ee999e0c 100644
--- a/xgm.py
+++ b/xgm.py
@@ -750,9 +750,9 @@ def matchXgmTimPulseId(data, use_apd=True, intstart=None, intstop=None,
     mergeList = [res, res2]
     for mcp in range(1,5):
         if 'MCP{}apd'.format(mcp) in data or 'MCP{}raw'.format(mcp) in data:
-            MCPapd = getTIMapd(data, mcp=mcp, use_apd=use_apd, intstart=intstart, 
-                               intstop=intstop, bkgstart=bkgstart, bkgstop=bkgstop,
-                               t_offset=t_offset, npulses=npulses).rename('MCP{}apd'.format(mcp))
+            MCPapd = getTIMapd(data, mcp=mcp, use_apd=use_apd, intstart=intstart, intstop=intstop,
+                              bkgstart=bkgstart, bkgstop=bkgstop, t_offset=t_offset, 
+                              npulses=npulses).rename('MCP{}apd'.format(mcp))
             if use_apd:
                 MCPapd = MCPapd.rename({'apdId':'pId'})
             else: