diff --git a/src/core/mdec.cpp b/src/core/mdec.cpp
index 259f195be..85a0773c3 100644
--- a/src/core/mdec.cpp
+++ b/src/core/mdec.cpp
@@ -389,7 +389,7 @@ bool MDEC::DecodeColoredMacroblock()
   yuv_to_rgb(8, 8, m_blocks[0], m_blocks[1], m_blocks[5]);
   m_total_blocks_decoded += 4;
 
-  ScheduleBlockCopyOut(TICKS_PER_BLOCK * 4);
+  ScheduleBlockCopyOut(TICKS_PER_BLOCK * 6);
   return true;
 }
 
diff --git a/src/core/mdec.h b/src/core/mdec.h
index ff204a6ab..bb25d06c3 100644
--- a/src/core/mdec.h
+++ b/src/core/mdec.h
@@ -34,7 +34,7 @@ private:
   static constexpr u32 DATA_IN_FIFO_SIZE = 1024;
   static constexpr u32 DATA_OUT_FIFO_SIZE = 768;
   static constexpr u32 NUM_BLOCKS = 6;
-  static constexpr TickCount TICKS_PER_BLOCK = 3072 / 4;
+  static constexpr TickCount TICKS_PER_BLOCK = 448;
 
   enum DataOutputDepth : u8
   {