diff --git a/modDesc.xml b/modDesc.xml
index 743d304..54c21f4 100644
--- a/modDesc.xml
+++ b/modDesc.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8" standalone="no" ?>
 <modDesc descVersion="79">
     <author>Farmsim Tim</author>
-    <version>1.0.0.6</version>
+    <version>1.0.0.7</version>
     <title>
         <en>A Height Type Debugger</en>
         <de>A Height Type Debugger</de>
diff --git a/scripts/HeightTypeDebugger.lua b/scripts/HeightTypeDebugger.lua
index 689d245..9be3681 100644
--- a/scripts/HeightTypeDebugger.lua
+++ b/scripts/HeightTypeDebugger.lua
@@ -31,7 +31,10 @@ DensityMapHeightManager.addDensityMapHeightType = Utils.prependedFunction(Densit
     end
 end)
 
+local numChannelsBefore = 0
+
 DensityMapHeightManager.loadDensityMapHeightTypes = Utils.prependedFunction(DensityMapHeightManager.loadDensityMapHeightTypes, function(manager, xmlFile, missionInfo, baseDirectory, isBaseType)
+
     local source = "unknown source"
     if xmlFile ~= nil then
         source = getXMLFilename(xmlFile)
@@ -44,10 +47,17 @@ DensityMapHeightManager.loadDensityMapHeightTypes = Utils.prependedFunction(Dens
         currentXMLFile = source
         currentIndex = currentIndex + 1
     end
+
+    print("Loading height types from " .. tostring(source))
+    numChannelsBefore = g_densityMapHeightManager.heightTypeNumChannels or 0 -- will be nil before loading base game stuff
 end)
 
 DensityMapHeightManager.loadDensityMapHeightTypes = Utils.appendedFunction(DensityMapHeightManager.loadDensityMapHeightTypes, function(...)
     currentXMLFile = nil
+
+    if g_densityMapHeightManager.heightTypeNumChannels < numChannelsBefore then
+        Logging.error("The number of density height types was decreased by the mod above")
+    end
 end)
 
 local function getModName(path)