diff --git a/pyrdp/convert/PCAPConverter.py b/pyrdp/convert/PCAPConverter.py
index 2ccbff932..7f87ad130 100644
--- a/pyrdp/convert/PCAPConverter.py
+++ b/pyrdp/convert/PCAPConverter.py
@@ -104,6 +104,7 @@ def processStream(self, startTimeStamp: int, stream: PCAPStream):
             "src": stream.client,
             "dst": stream.server
         })
+        sessionID = sessionID.replace(":", "_")
 
         handler, _ = createHandler(self.format, self.outputPrefix + sessionID)
         replayer = RDPReplayer(handler, self.outputPrefix, sessionID)
diff --git a/pyrdp/recording/recorder.py b/pyrdp/recording/recorder.py
index 41d7220d0..ef3bd1c22 100644
--- a/pyrdp/recording/recorder.py
+++ b/pyrdp/recording/recorder.py
@@ -105,6 +105,8 @@ def __init__(self, fileName: Union[str, Path]):
         self.pending = b''
 
         self.filename = fileName
+        self.filename = str(self.filename).replace(":", "_")
+        
         self.fd: BufferedIOBase = None
 
     def sendBytes(self, data: bytes):
diff --git a/test/integration.sh b/test/integration.sh
index b74985f8a..16e70a2af 100755
--- a/test/integration.sh
+++ b/test/integration.sh
@@ -64,8 +64,8 @@ echo
 
 echo ===================================================
 echo Verify the PCAP to JSON file
-./test/validate_json.sh "20200319000716_192.168.38.1:20989-192.168.38.1:3389.json"
-rm "20200319000716_192.168.38.1:20989-192.168.38.1:3389.json"
+./test/validate_json.sh "20200319000716_192.168.38.1_20989-192.168.38.1_3389.json"
+rm "20200319000716_192.168.38.1_20989-192.168.38.1_3389.json"
 echo
 
 echo ===================================================
@@ -75,8 +75,8 @@ echo
 
 echo ===================================================
 echo Verify that the replay file exists
-file -E "20200319000716_192.168.38.1:20989-192.168.38.1:3389.pyrdp"
-rm "20200319000716_192.168.38.1:20989-192.168.38.1:3389.pyrdp"
+file -E "20200319000716_192.168.38.1_20989-192.168.38.1_3389.pyrdp"
+rm "20200319000716_192.168.38.1_20989-192.168.38.1_3389.pyrdp"
 
 echo ===================================================
 echo pyrdp-convert.py regression issue 428