diff --git a/Source/Core/VideoCommon/FrameDump.cpp b/Source/Core/VideoCommon/FrameDump.cpp
index 8aca110e1b..9f845b3899 100644
--- a/Source/Core/VideoCommon/FrameDump.cpp
+++ b/Source/Core/VideoCommon/FrameDump.cpp
@@ -84,9 +84,8 @@ bool FrameDump::Start(int w, int h)
 
   s_width = w;
   s_height = h;
-
-  s_last_frame_is_valid = false;
   s_last_pts = 0;
+  s_last_frame_is_valid = s_file_index != 0;
 
   InitAVCodec();
   bool success = CreateVideoFile();
@@ -393,6 +392,7 @@ void FrameDump::Stop()
   av_write_trailer(s_format_context);
   CloseVideoFile();
   s_file_index = 0;
+  s_start_dumping = false;
   NOTICE_LOG(VIDEO, "Stopping frame dump");
   OSD::AddMessage("Stopped dumping frames");
 }