diff --git a/OpenRA.Game/FileFormats/ReplayMetadata.cs b/OpenRA.Game/FileFormats/ReplayMetadata.cs
index bdbbb8b411..d8e0be7449 100644
--- a/OpenRA.Game/FileFormats/ReplayMetadata.cs
+++ b/OpenRA.Game/FileFormats/ReplayMetadata.cs
@@ -71,7 +71,7 @@ namespace OpenRA.FileFormats
 
 		public void RenameFile(string newFilenameWithoutExtension)
 		{
-			var newPath = Path.Combine(Path.GetDirectoryName(FilePath), newFilenameWithoutExtension) + ".rep";
+			var newPath = Path.Combine(Path.GetDirectoryName(FilePath), newFilenameWithoutExtension) + ".orarep";
 			File.Move(FilePath, newPath);
 			FilePath = newPath;
 		}
diff --git a/OpenRA.Game/Network/ReplayRecorderConnection.cs b/OpenRA.Game/Network/ReplayRecorderConnection.cs
index 104c282f4d..b42f07404e 100644
--- a/OpenRA.Game/Network/ReplayRecorderConnection.cs
+++ b/OpenRA.Game/Network/ReplayRecorderConnection.cs
@@ -57,7 +57,7 @@ namespace OpenRA.Network
 			var id = -1;
 			while (file == null)
 			{
-				var fullFilename = Path.Combine(dir, id < 0 ? "{0}.rep".F(filename) : "{0}-{1}.rep".F(filename, id));
+				var fullFilename = Path.Combine(dir, id < 0 ? "{0}.orarep".F(filename) : "{0}-{1}.orarep".F(filename, id));
 				id++;
 				try
 				{
diff --git a/OpenRA.Mods.Common/Widgets/Logic/ReplayBrowserLogic.cs b/OpenRA.Mods.Common/Widgets/Logic/ReplayBrowserLogic.cs
index 840c92b21b..c8d30833ac 100644
--- a/OpenRA.Mods.Common/Widgets/Logic/ReplayBrowserLogic.cs
+++ b/OpenRA.Mods.Common/Widgets/Logic/ReplayBrowserLogic.cs
@@ -56,7 +56,7 @@ namespace OpenRA.Mods.Common.Widgets.Logic
 				using (new Support.PerfTimer("Load replays"))
 				{
 					replays = Directory
-						.GetFiles(dir, "*.rep")
+						.GetFiles(dir, "*.orarep")
 						.Select(ReplayMetadata.Read)
 						.Where(r => r != null)
 						.OrderByDescending(r => r.GameInfo.StartTimeUtc)
diff --git a/packaging/linux/openra-mimeinfo.xml b/packaging/linux/openra-mimeinfo.xml
index b6a124a23e..9a5fba69a1 100644
--- a/packaging/linux/openra-mimeinfo.xml
+++ b/packaging/linux/openra-mimeinfo.xml
@@ -5,7 +5,7 @@
     <icon name="openra" />
     <generic-icon name="applications-games"/>
     <comment>OpenRA Replay</comment>
-    <glob weight="60" pattern="*.rep"/>
+    <glob weight="60" pattern="*.orarep"/>
   </mime-type>
 
 </mime-info>