diff --git a/src/os_unix.c b/src/os_unix.c
index d36eb46..58f8276 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -887,8 +887,10 @@
     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 a8c0bdc..b9b6aac 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4480,
+/**/
     4479,
 /**/
     4478,