diff --git a/resources/systems/unix/es_systems.xml b/resources/systems/unix/es_systems.xml
index 185d217d4..1f9c2fd19 100644
--- a/resources/systems/unix/es_systems.xml
+++ b/resources/systems/unix/es_systems.xml
@@ -1681,7 +1681,7 @@
         <name>xbox360</name>
         <fullname>Microsoft Xbox 360</fullname>
         <path>%ROMPATH%/xbox360</path>
-        <extension>.iso .ISO .xex .XEX</extension>
+        <extension>. .iso .ISO .xex .XEX</extension>
         <command>PLACEHOLDER %ROM%</command>
         <platform>xbox360</platform>
         <theme>xbox360</theme>
diff --git a/resources/systems/windows/es_systems.xml b/resources/systems/windows/es_systems.xml
index 946228722..b6c3bea2a 100644
--- a/resources/systems/windows/es_systems.xml
+++ b/resources/systems/windows/es_systems.xml
@@ -1684,7 +1684,7 @@
         <name>xbox360</name>
         <fullname>Microsoft Xbox 360</fullname>
         <path>%ROMPATH%\xbox360</path>
-        <extension>.iso .ISO .xex .XEX</extension>
+        <extension>. .iso .ISO .xex .XEX</extension>
         <command label="xenia (Standalone)">%STARTDIR%=%EMUDIR% %EMULATOR_XENIA% %ROM%</command>
         <platform>xbox360</platform>
         <theme>xbox360</theme>