diff --git a/resources/systems/linux/es_systems.xml b/resources/systems/linux/es_systems.xml
index db5a03b9a..c3e2620e5 100644
--- a/resources/systems/linux/es_systems.xml
+++ b/resources/systems/linux/es_systems.xml
@@ -587,7 +587,7 @@
         <name>dreamcast</name>
         <fullname>Sega Dreamcast</fullname>
         <path>%ROMPATH%/dreamcast</path>
-        <extension>.cdi .CDI .chd .CHD .cue .CUE .dat .DAT .elf .ELF .gdi .GDI .iso .ISO .lst .LST .m3u .M3U .7z .7Z .zip .ZIP</extension>
+        <extension>.cdi .CDI .chd .CHD .cue .CUE .dat .DAT .elf .ELF .gdi .GDI .iso .ISO .lst .LST .m3u .M3U</extension> <!-- removed .7z .7Z .zip .ZIP -->
         <command label="Flycast">%EMULATOR_RETROARCH% -L %CORE_RETROARCH%/flycast_libretro.so %ROM%</command>
         <!-- <command label="Flycast (Standalone)">%EMULATOR_FLYCAST% %ROM%</command> -->
         <!-- <command label="Flycast Dojo (Standalone)">%EMULATOR_FLYCAST-DOJO% %ROM%</command> -->