diff --git a/compiler/docgen.nim b/compiler/docgen.nim
index e815bf7a11..d8a66260d2 100644
--- a/compiler/docgen.nim
+++ b/compiler/docgen.nim
@@ -765,7 +765,7 @@ proc generateDoc*(d: PDoc, n, orig: PNode) =
   of nkCallKinds:
     var comm: Rope = nil
     getAllRunnableExamples(d, n, comm)
-    if comm > nil: add(d.modDesc, comm)
+    if comm != nil: add(d.modDesc, comm)
   else: discard
 
 proc add(d: PDoc; j: JsonNode) =