diff --git a/modules/video_coding/frame_buffer3.cc b/modules/video_coding/frame_buffer3.cc
index 32de368..56eac0e 100644
--- a/modules/video_coding/frame_buffer3.cc
+++ b/modules/video_coding/frame_buffer3.cc
@@ -65,7 +65,7 @@
 
 FrameBuffer::FrameBuffer(int max_size, int max_decode_history)
     : legacy_frame_id_jump_behavior_(
-          field_trial::IsEnabled("WebRTC-LegacyFrameIdJumpBehavior")),
+          !field_trial::IsDisabled("WebRTC-LegacyFrameIdJumpBehavior")),
       max_size_(max_size),
       decoded_frame_history_(max_decode_history) {}
 
diff --git a/modules/video_coding/frame_buffer3_unittest.cc b/modules/video_coding/frame_buffer3_unittest.cc
index 786465c..b70cd14 100644
--- a/modules/video_coding/frame_buffer3_unittest.cc
+++ b/modules/video_coding/frame_buffer3_unittest.cc
@@ -275,7 +275,8 @@
 
 TEST(FrameBuffer3Test, LegacyFrameIdJumpBehavior) {
   {
-    // WebRTC-LegacyFrameIdJumpBehavior is disabled by default.
+    test::ScopedFieldTrials field_trial(
+        "WebRTC-LegacyFrameIdJumpBehavior/Disabled/");
     FrameBuffer buffer(/*max_frame_slots=*/10, /*max_decode_history=*/100);
 
     buffer.InsertFrame(Builder().Time(20).Id(3).AsLast().Build());
@@ -286,8 +287,7 @@
   }
 
   {
-    test::ScopedFieldTrials field_trial(
-        "WebRTC-LegacyFrameIdJumpBehavior/Enabled/");
+    // WebRTC-LegacyFrameIdJumpBehavior is disabled by default.
     FrameBuffer buffer(/*max_frame_slots=*/10, /*max_decode_history=*/100);
 
     buffer.InsertFrame(Builder().Time(20).Id(3).AsLast().Build());