--- a/ckuus4.c
+++ b/ckuus4.c
@@ -13119,7 +13119,7 @@
             if (!p)
 #endif /* OS2ORUNIX */
 #ifdef UNIX                             /* Systems that have a standard */
-              p = "/tmp/";              /* temporary directory... */
+              p = "@TERMUX_PREFIX@/tmp/";              /* temporary directory... */
 #else
 #ifdef datageneral
               p = ":TMP:";