--- a/quilt/scripts/utilfns
+++ b/quilt/scripts/utilfns
@@ -47,8 +47,8 @@
 {
 	if [ "$1" = -d ]
 	then
-		mktemp -d "${2:-${TMPDIR:-/tmp}/quilt.}XXXXXX"
+		mktemp -d "${2:-${TMPDIR:-@TERMUX_PREFIX@/tmp}/quilt.}XXXXXX"
 	else
-		mktemp "${1:-${TMPDIR:-/tmp}/quilt.}XXXXXX"
+		mktemp "${1:-${TMPDIR:-@TERMUX_PREFIX@/tmp}/quilt.}XXXXXX"
 	fi
 }