diff --git a/script/EnergyScan.py b/script/EnergyScan.py
index 0a36f34..7ab6ef3 100644
--- a/script/EnergyScan.py
+++ b/script/EnergyScan.py
@@ -67,7 +67,7 @@ def _startPlot(type):
         MCP2 = [[0 for x in range(1)] for x in range(NrCounters)]
         output_file_MCP1 = output_path+"MCP1"+file_prefix+"_" + suffix + ".dat"
         output_file_MCP2 = output_path+"MCP2"+file_prefix+"_" + suffix + ".dat"
-        open(output_file_MCP1, "w+") as MCP1out
+        MCP1out.open(output_file_MCP1, "w+")
         open(output_file_MCP2, "w+") as MCP2out
         MCP1out.write("rbkenergy" + sep + "Sum1" + sep + "Sum2" + sep + "Cam1" + sep + "Cam2" + sep + "Array" + line_sep)
         MCP2out.write("rbkenergy" + sep + "Sum1" + sep + "Sum2" + sep + "Cam1" + sep + "Cam2" + sep + "Array" + line_sep)