diff --git a/source/tools/combine/ossre_client/ossre_set/crash.py b/source/tools/combine/ossre_client/ossre_set/crash.py
index 50ab175ab98f2e48b2e1d62314437854150bdaff..190dd1ec0396394333f5996925a38e91b0869298 100644
--- a/source/tools/combine/ossre_client/ossre_set/crash.py
+++ b/source/tools/combine/ossre_client/ossre_set/crash.py
@@ -147,6 +147,7 @@ class Crash:
         cmd=cmd.encode('ascii')
         #self.__crash_inst.stdin.write(cmd+ " | sed \'$a\<<Crash buffer end>>\'\n")
         self.__crash_inst.stdin.write(cmd)
+        self.__crash_inst.stdin.flush()
         while True:
             line =  self.__crash_inst.stdout.readline()
             line = line.decode('ascii')
@@ -164,6 +165,7 @@ class Crash:
             cmd=cmd.encode('ascii')
             #self.__crash_inst.stdin.write(cmd+ " | sed \'$a\<<Crash buffer end>>\'\n")
             self.__crash_inst.stdin.write(cmd)
+            self.__crash_inst.stdin.flush()
         while True:
             line =  self.__crash_inst.stdout.readline()
             line = line.decode('ascii')