1 files changed, 3 insertions, 1 deletions
diff --git a/helpcompiler/source/HelpLinker.cxx b/helpcompiler/source/HelpLinker.cxx
index b99061d0dd7f..70b9af1fe4b4 100644
--- a/helpcompiler/source/HelpLinker.cxx
+++ b/helpcompiler/source/HelpLinker.cxx
@@ -709,7 +709,9 @@ void HelpLinker::main( std::vector<std::string> &args,
             }
         }
         else
-        { //called from extension manager
+        {
+            assert(pExtensionPath);
+            //called from extension manager
             extensionPath = *pExtensionPath;
             sourceRoot = fs::path(extensionPath);
             extensionDestination = *pDestination;