diff --git a/Tools/Doxyfile b/Tools/Doxyfile
index 2cab89ff8e..1f90072117 100644
--- a/Tools/Doxyfile
+++ b/Tools/Doxyfile
@@ -2206,7 +2206,7 @@ HIDE_UNDOC_RELATIONS   = NO
 # set to NO
 # The default value is: NO.
 
-HAVE_DOT               = YES
+# Generated in appveyor
 
 # The DOT_NUM_THREADS specifies the number of dot invocations doxygen is allowed
 # to run in parallel. When set to 0 doxygen will base this on the number of
diff --git a/Tools/TGS3Build.ps1 b/Tools/TGS3Build.ps1
index 911789d56e..8cf38bbc31 100644
--- a/Tools/TGS3Build.ps1
+++ b/Tools/TGS3Build.ps1
@@ -13,9 +13,11 @@ if($publish_dox){
 	echo "Cloning https://git@$github_url..."
 	git clone -b gh-pages --single-branch "https://git@$github_url" "$doxdir" 2>$null
 	rm -r "$doxdir\*"
+	Add-Content "$bf\Tools\Doxyfile" "`nPROJECT_NUMBER = $version`nINPUT = $bf`nOUTPUT_DIRECTORY = $doxdir`nPROJECT_LOGO = $bf/tgs.ico`nHAVE_DOT=YES"
+}else{
+	Add-Content "$bf\Tools\Doxyfile" "`nPROJECT_NUMBER = $version`nINPUT = $bf`nOUTPUT_DIRECTORY = $doxdir`nPROJECT_LOGO = $bf/tgs.ico"
 }
 
-Add-Content "$bf\Tools\Doxyfile" "`nPROJECT_NUMBER = $version`nINPUT = $bf`nOUTPUT_DIRECTORY = $doxdir`nPROJECT_LOGO = $bf/tgs.ico"
 doxygen.exe "$bf\Tools\Doxyfile"
 
 if($publish_dox){