--- a/lib/gauche/package/util.scm
+++ b/lib/gauche/package/util.scm
@@ -57,7 +57,7 @@
   (unless (dry-run)
     (let1 p (run-process (cond-expand
                           [gauche.os.windows (shell-tokenize-string cmdline 'posix)]
-                          [else `("/bin/sh" "-c" ,cmdline)])
+                          [else `("@TERMUX_PREFIX@/bin/sh" "-c" ,cmdline)])
                          :input (if stdin-string :pipe :null)
                          :wait #f)
       (when stdin-string