diff --git a/src/os_amiga.c b/src/os_amiga.c
index 0e5c714..25e8956 100644
--- a/src/os_amiga.c
+++ b/src/os_amiga.c
@@ -704,7 +704,9 @@
     long
 mch_get_pid(void)
 {
-#if defined(__amigaos4__) || defined(__AROS__) || defined(__MORPHOS__)
+#if defined(__amigaos4__)
+    return (long) getpid();
+#elif defined(__AROS__) || defined(__MORPHOS__)
     // This is as close to a pid as we can come. We could use CLI numbers also,
     // but then we would have two different types of process identifiers.
     return((long)FindTask(0));
diff --git a/src/version.c b/src/version.c
index b0f53ab..dedb6cc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -700,6 +700,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    589,
+/**/
     588,
 /**/
     587,