diff --git a/include/nvda_dmp b/include/nvda_dmp
index b2ccf200866..b0f8d87c79d 160000
--- a/include/nvda_dmp
+++ b/include/nvda_dmp
@@ -1 +1 @@
-Subproject commit b2ccf2008669e1acb0a7181c268ce6a1311d4d7e
+Subproject commit b0f8d87c79dfa27fc9b33371a3f4a4a5e193c384
diff --git a/source/diffHandler.py b/source/diffHandler.py
index 5d37065c054..4bacff6ae38 100644
--- a/source/diffHandler.py
+++ b/source/diffHandler.py
@@ -89,6 +89,8 @@ def diff(self, newText: str, oldText: str) -> List[str]:
 				(size,) = struct.unpack("=I", sizeb)
 				while len(buf) < size:
 					buf += DiffMatchPatch._proc.stdout.read(size - len(buf))
+				DiffMatchPatch._proc.stdin.flush()
+				DiffMatchPatch._proc.stdout.flush()
 				return [
 					line
 					for line in buf.decode("utf-8").splitlines()