diff --git a/plugins/EnergyScan.java b/plugins/EnergyScan.java
index 883ddf9..1f3a940 100644
--- a/plugins/EnergyScan.java
+++ b/plugins/EnergyScan.java
@@ -111,8 +111,8 @@ public class EnergyScan extends Panel {
         args.put("ID2", jRadioButton2.isSelected() ? 1 : 2);
         args.put("MCP_1", jCheckBox2.isSelected() ? 1 : 2);
         args.put("MCP_2", jCheckBox3.isSelected() ? 1 : 2);
-        args.put("Cam_start", (Double) jSpinner1.getValue());
-        args.put("Cam_end", (Double) jSpinner2.getValue());
+        args.put("Cam_start", jSpinner1.getValue());
+        args.put("Cam_end", jSpinner2.getValue());
 
         buttonAbort.setEnabled(true);
 
diff --git a/script/EnergyScan.py b/script/EnergyScan.py
index 1879afe..cf5b760 100644
--- a/script/EnergyScan.py
+++ b/script/EnergyScan.py
@@ -63,12 +63,12 @@ def _startPlot(type):
     cur = 0
     time.sleep(3.0)
     if (MCP_1 == 1 or MPC_2 ==2):
-        MCP1 = [[0 for x in range(1)] for x in range(NrCounters)]
-        MCP2 = [[0 for x in range(1)] for x in range(NrCounters)]
+        MCP1 = [[0 for x in range(1)] for x in range(NrCounters.read())]
+        MCP2 = [[0 for x in range(1)] for x in range(NrCounters.read())]
         output_file_MCP1 = output_path+"MCP1"+file_prefix+"_" + suffix + ".dat"
         output_file_MCP2 = output_path+"MCP2"+file_prefix+"_" + suffix + ".dat"
-        MCP1out.open(output_file_MCP1, "w+")
-        MCP2out.open(output_file_MCP2, "w+")
+        MCP1out = open(output_file_MCP1, "w+")
+        MCP2out = open(output_file_MCP2, "w+")
         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)   
     while running: