diff --git a/src/FrameMapper.cpp b/src/FrameMapper.cpp
index bcd01516..6b2e0fbb 100644
--- a/src/FrameMapper.cpp
+++ b/src/FrameMapper.cpp
@@ -726,7 +726,7 @@ void FrameMapper::SetJsonValue(Json::Value root) throw(InvalidFile) {
 // Change frame rate or audio mapping details
 void FrameMapper::ChangeMapping(Fraction target_fps, PulldownType target_pulldown,  int target_sample_rate, int target_channels, ChannelLayout target_channel_layout)
 {
-	ZmqLogger::Instance()->AppendDebugMethod("FrameMapper::ChangeMapping", "target_fps.num", target_fps.num, "target_fps.den", target_fps.num, "target_pulldown", target_pulldown, "target_sample_rate", target_sample_rate, "target_channels", target_channels, "target_channel_layout", target_channel_layout);
+	ZmqLogger::Instance()->AppendDebugMethod("FrameMapper::ChangeMapping", "target_fps.num", target_fps.num, "target_fps.den", target_fps.den, "target_pulldown", target_pulldown, "target_sample_rate", target_sample_rate, "target_channels", target_channels, "target_channel_layout", target_channel_layout);
 
 	// Mark as dirty
 	is_dirty = true;
@@ -750,6 +750,9 @@ void FrameMapper::ChangeMapping(Fraction target_fps, PulldownType target_pulldow
 		avresample_free(&avr);
 		avr = NULL;
 	}
+
+	// Re-init mapping
+	Init();
 }
 
 // Set offset relative to parent timeline