diff --git a/src/os_unix.c b/src/os_unix.c
index d36eb46a2..58f8276fb 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -887,8 +887,10 @@ sig_tstp SIGDEFARG(sigarg)
     else
 	got_tstp = TRUE;
 
-    // this is not required on all systems, but it doesn't hurt anybody
+#ifndef __ANDROID__
+    // this is not required on all systems
     signal(SIGTSTP, (RETSIGTYPE (*)())sig_tstp);
+#endif
     SIGRETURN;
 }
 #endif
diff --git a/src/version.c b/src/version.c
index a8c0bdc55..b9b6aac63 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4480,
 /**/
     4479,
 /**/