diff --git a/data/common/boot/post_install/mime_update.sh b/data/common/boot/post_install/mime_update.sh
index 976f6a691d..b9c10b526f 100755
--- a/data/common/boot/post_install/mime_update.sh
+++ b/data/common/boot/post_install/mime_update.sh
@@ -2,7 +2,7 @@
 
 # Make sure all apps have a MIME DB entry.
 
-SYSTEM=$(/bin/finddir B_SYSTEM_DIRECTORY 2>/dev/null || echo "/boot/beos")
+SYSTEM=$(/bin/finddir B_SYSTEM_DIRECTORY 2>/dev/null || echo "/boot/system")
 
 mimeset -apps -f "$SYSTEM/apps"
 mimeset       -f "$SYSTEM/documentation"