diff --git a/es-configs/es_systems.xml b/es-configs/es_systems.xml
index 2bdf7fc4..ad482ba4 100644
--- a/es-configs/es_systems.xml
+++ b/es-configs/es_systems.xml
@@ -341,7 +341,7 @@
         <name>dos</name>
         <fullname>DOS (PC)</fullname>
         <path>%ROMPATH%/dos</path>
-        <extension>.bat .BAT .com .COM .conf .CONF .cue .CUE .dosz .DOSZ .exe .EXE .iso .ISO .7z .7Z .zip .ZIP</extension>
+        <extension>.bat .BAT .com .COM .conf .CONF .cue .CUE .dosz .DOSZ .exe .EXE .iso .ISO .7z .7Z</extension>
         <command label="DOSBox-Pure">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/dosbox_pure_libretro.so %ROM%</command>
         <command label="DOSBox-Core">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/dosbox_core_libretro.so %ROM%</command>
         <command label="DOSBox-SVN">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/dosbox_svn_libretro.so %ROM%</command>