diff --git a/src/vim9compile.c b/src/vim9compile.c
index 2df5ff4..62d7373 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -355,10 +355,23 @@
 	return NULL;
 
     sav = HI2SAV(hi);
-    if (sav->sav_block_id == 0 || cctx == NULL)
-	// variable defined in the script scope or not in a function.
+    if (sav->sav_block_id == 0)
+	// variable defined in the top script scope is always visible
 	return sav;
 
+    if (cctx == NULL)
+    {
+	// Not in a function scope, find variable with block id equal to or
+	// smaller than the current block id.
+	while (sav != NULL)
+	{
+	    if (sav->sav_block_id <= si->sn_current_block_id)
+		break;
+	    sav = sav->sav_next;
+	}
+	return sav;
+    }
+
     // Go over the variables with this name and find one that was visible
     // from the function.
     ufunc = cctx->ctx_ufunc;