diff --git a/Storage/Disk/Encodings/MFM.cpp b/Storage/Disk/Encodings/MFM.cpp
index adb321867..3aa918365 100644
--- a/Storage/Disk/Encodings/MFM.cpp
+++ b/Storage/Disk/Encodings/MFM.cpp
@@ -175,7 +175,10 @@ template<class T> std::shared_ptr<Storage::Disk::Track>
 	}
 
 	while(segment.data.size() < expected_track_bytes) shifter.add_byte(0x00);
-	if(segment.data.size() > expected_track_bytes) segment.data.resize(expected_track_bytes);
+
+	// Allow the amount of data written to be up to 10% more than the expected size. Which is generous.
+	size_t max_size = expected_track_bytes + (expected_track_bytes / 10);
+	if(segment.data.size() > max_size) segment.data.resize(max_size);
 
 	segment.number_of_bits = (unsigned int)(segment.data.size() * 8);
 	return std::shared_ptr<Storage::Disk::Track>(new Storage::Disk::PCMTrack(std::move(segment)));