diff --git a/src/mods/t00only.a b/src/mods/t00only.a
index f2be3e4..7a69770 100644
--- a/src/mods/t00only.a
+++ b/src/mods/t00only.a
@@ -47,7 +47,7 @@ AnalyzeT00
          !source "../patchers/t00_bademu.a"                ; in           Y=05; out none
          !source "../patchers/t00_border.a"                ; in A=08,X=5A,Y=0A; out A=08,X=5A,Y=0A
          !source "../patchers/t00_dakin5.a"                ; in A=00,X=B3,Y=0C; out A=03,X=9A,Y=03
-         !source "../patchers/t00_datasoft2.a"
+         !source "../patchers/t00_datasoft2.a"             ; in A=0A,X=3A,Y=06; out A=01,X=48,Y=02
          !source "../patchers/t00_earthware.a"
          !source "../patchers/t00_jmpb500.a"
          !source "../patchers/t00_jmpb660.a"
diff --git a/src/patchers/t00_datasoft2.a b/src/patchers/t00_datasoft2.a
index 937791f..44a26fb 100644
--- a/src/patchers/t00_datasoft2.a
+++ b/src/patchers/t00_datasoft2.a
@@ -7,25 +7,22 @@
          ; gTrack = 0
          ; Caller found DOS 3.3 RWTS
 
-         lda   #$01
-         ldx   #$48
-         ldy   #$02
-         jsr   compare
-         !byte $00,$9B
-         bcs   .exit
-
          lda   #$0A
          ldx   #$3A
          ldy   #$06
          jsr   compare
          !byte $AD,$E9,$C0
          !byte $AD,$EE,$C0
-         bcs   .exit      ; passport-test-suite/Fathoms 40.woz [C=0] matches
-         jsr   PrintByID
-         !byte s_datasoft
+         bcs   .exit
+
          lda   #$01
          ldx   #$48
          ldy   #$02
+         jsr   compare
+         !byte $00,$9B
+         bcs   .exit      ; passport-test-suite/Fathoms 40.woz [C=0] matches
+         jsr   PrintByID
+         !byte s_datasoft
          jsr   modify
          !byte $76,$9C
 .exit