diff --git a/tests/mos6502.addr.c b/tests/mos6502.addr.c
index 855f6ac..1d3ce7f 100644
--- a/tests/mos6502.addr.c
+++ b/tests/mos6502.addr.c
@@ -33,6 +33,7 @@ Test(mos6502_addr, addr_mode_abx_carry0)
     SET_PC_BYTE(cpu, 1, 0x30);
     SET_PC_BYTE(cpu, 2, 0x12);
     cpu->X = 4;
+    cpu->P = cpu->P & ~MOS_CARRY;
     cr_assert_eq(mos6502_resolve_abx(cpu), 111);
 }
 
@@ -42,7 +43,6 @@ Test(mos6502_addr, addr_mode_abx_carry1)
     SET_PC_BYTE(cpu, 1, 0x30);
     SET_PC_BYTE(cpu, 2, 0x12);
     cpu->X = 3;
-    cpu->P = cpu->P | MOS_CARRY;
     cr_assert_eq(mos6502_resolve_abx(cpu), 111);
 }