diff --git a/src/KaxBlock.cpp b/src/KaxBlock.cpp
index 3dfda0d7..2fb0c198 100644
--- a/src/KaxBlock.cpp
+++ b/src/KaxBlock.cpp
@@ -748,6 +748,7 @@ filepos_t KaxInternalBlock::ReadData(IOCallback & input, ScopeMode ReadFully)
   } catch (const SafeReadIOCallback::EndOfStreamX&) {
     SetValueIsSet(false);
 
+    ReleaseFrames();
     myBuffers.clear();
     SizeList.clear();
     Timestamp          = 0;