diff --git a/src/stub/header.ash b/src/stub/header.ash
index 5c9a12e0..b740ec10 100644
--- a/src/stub/header.ash
+++ b/src/stub/header.ash
@@ -58,7 +58,7 @@
                 dd      0               ; 24  original file size
                 db      0               ; 28  filter id
                 db      0               ; 29  filter cto
-                db      0               ;  unsused
+                db      0               ;  unused
                 db      45              ; 31  header checksum
  %endif
 
diff --git a/src/stub/l_ps1.asm b/src/stub/l_ps1.asm
index 65ea8e3a..ce94e689 100644
--- a/src/stub/l_ps1.asm
+++ b/src/stub/l_ps1.asm
@@ -168,7 +168,7 @@ memset_unaligned:
                 DW      0               ; 24  original file size
                 DB      0               ; 28  filter id
                 DB      0               ; 29  filter cto
-                DB      0               ;  unsused
+                DB      0               ;  unused
                 DB      45              ; 31  header checksum
 ;       __PSXPHDRZ__
 eof: