diff --git a/internal/lsp/analysis/fillreturns/fillreturns.go b/internal/lsp/analysis/fillreturns/fillreturns.go
index 4a30934c63..705ae124d5 100644
--- a/internal/lsp/analysis/fillreturns/fillreturns.go
+++ b/internal/lsp/analysis/fillreturns/fillreturns.go
@@ -113,7 +113,7 @@ outer:
 				break
 			}
 		}
-		if enclosingFunc == nil {
+		if enclosingFunc == nil || enclosingFunc.Results == nil {
 			continue
 		}