diff --git a/src/os_amiga.h b/src/os_amiga.h
index 611555e3ed..98f3cffdec 100644
--- a/src/os_amiga.h
+++ b/src/os_amiga.h
@@ -91,6 +91,7 @@ typedef long off_t;
 # include <limits.h>
 # include <errno.h>
 # include <pwd.h>
+# include <grp.h>
 # include <dirent.h>
 #endif
 
diff --git a/src/version.c b/src/version.c
index 26a66f077b..4f7de313a3 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 */
+/**/
+    1640,
 /**/
     1639,
 /**/