diff --git a/worlds/lufia2ac/basepatch/basepatch.asm b/worlds/lufia2ac/basepatch/basepatch.asm
index d5aa1c6612a0..d263b3d4f03f 100644
--- a/worlds/lufia2ac/basepatch/basepatch.asm
+++ b/worlds/lufia2ac/basepatch/basepatch.asm
@@ -273,6 +273,9 @@ SpecialItemUse:
     ADC.w #$FD2E
     STA $09B7               ; set pointer to L2SASM join script
     SEP #$20
+    LDA $07A9               ; load EV register $11 (party counter)
+    CMP.b #$03
+    BPL +                   ; abort if party full
     LDA.b #$8E
     STA $09B9
     PHK
diff --git a/worlds/lufia2ac/basepatch/basepatch.bsdiff4 b/worlds/lufia2ac/basepatch/basepatch.bsdiff4
index b0cb39eabe1b..e31ac74a52ea 100644
Binary files a/worlds/lufia2ac/basepatch/basepatch.bsdiff4 and b/worlds/lufia2ac/basepatch/basepatch.bsdiff4 differ