--- share/icons/CMakeLists.txt.orig	2025-12-01 12:36:11 UTC
+++ share/icons/CMakeLists.txt
@@ -40,7 +40,7 @@ elseif(OS_IS_WIN)
         install(FILES MscxIcon/MS4_MscxIcon_512x512.png RENAME mscx.png DESTINATION ${CMAKE_INSTALL_PREFIX}/../AppInfo/FileTypeIcons)
     endif()
 
-elseif(OS_IS_LIN)
+elseif(OS_IS_LIN OR OS_IS_FBSD)
     foreach(SIZE 16 24 32 48 64 96 128 512)
         install(FILES AppIcon/MS4_AppIcon_${SIZE}x${SIZE}.png 
                 RENAME mscore${MUSE_APP_INSTALL_SUFFIX}.png