diff --git a/src/reset.sh b/src/reset.sh
index df55378a..7351204e 100644
--- a/src/reset.sh
+++ b/src/reset.sh
@@ -95,7 +95,9 @@ WANTED_GB=$(( (RAM_WANTED + 1073741823)/1073741824 ))
 # Print system info
 SYS="${SYS/-generic/}"
 FS=$(stat -f -c %T "$STORAGE")
+FS="${FS/UNKNOWN //}"
 FS="${FS/ext2\/ext3/ext4}"
+FS=$(echo "$FS" | sed 's/[)(]//g')
 SPACE=$(df --output=avail -B 1 "$STORAGE" | tail -n 1)
 SPACE_GB=$(( (SPACE + 1073741823)/1073741824 ))