diff --git a/src/65c02isa.csv b/src/65c02isa.csv
index 6d7d25e..fcc0591 100644
--- a/src/65c02isa.csv
+++ b/src/65c02isa.csv
@@ -25,7 +25,7 @@ OP_ASL_ZPX,"asl",ZPX,2,NULL
 OP_RMB1_ZP,"rmb1",ZP,1,NULL
 OP_CLC,"clc",IMPLIED,1,emul_clc
 OP_ORA_ABSY,"ora",ABSOLUTEY,3,NULL
-OP_INC,"inc",IMPLIED,1,NULL
+OP_INC,"inc",ACCUMULATOR,1,NULL
 OP_NOPI_1C,"nop",IMPLIED,1,NULL
 OP_TRB_ABS,"trb",ABSOLUTE,3,NULL
 OP_ORA_ABSX,"ora",ABSOLUTEX,3,NULL