diff --git a/src/os_amiga.c b/src/os_amiga.c
index ec392cd..d99c198 100644
--- a/src/os_amiga.c
+++ b/src/os_amiga.c
@@ -1448,7 +1448,7 @@
 #ifdef __amigaos4__
     Anchor = AllocDosObject(DOS_ANCHORPATH, AnchorTags);
 #else
-    Anchor = (struct AnchorPath *)alloc_clear((unsigned)ANCHOR_SIZE);
+    Anchor = (struct AnchorPath *)alloc_clear(ANCHOR_SIZE);
 #endif
     if (Anchor == NULL)
 	return 0;