diff --git a/src/core/evaluator.js b/src/core/evaluator.js
index b98a4079a..5bccea9ae 100644
--- a/src/core/evaluator.js
+++ b/src/core/evaluator.js
@@ -526,23 +526,22 @@ class PartialEvaluator {
     const args = group ? [matrix, null] : [matrix, bbox];
     operatorList.addOp(OPS.paintFormXObjectBegin, args);
 
-    return this.getOperatorList({
+    await this.getOperatorList({
       stream: xobj,
       task,
       resources: dict.get("Resources") || resources,
       operatorList,
       initialState,
-    }).then(function () {
-      operatorList.addOp(OPS.paintFormXObjectEnd, []);
-
-      if (group) {
-        operatorList.addOp(OPS.endGroup, [groupOptions]);
-      }
-
-      if (optionalContent !== undefined) {
-        operatorList.addOp(OPS.endMarkedContent, []);
-      }
     });
+    operatorList.addOp(OPS.paintFormXObjectEnd, []);
+
+    if (group) {
+      operatorList.addOp(OPS.endGroup, [groupOptions]);
+    }
+
+    if (optionalContent !== undefined) {
+      operatorList.addOp(OPS.endMarkedContent, []);
+    }
   }
 
   _sendImgData(objId, imgData, cacheGlobally = false) {