diff --git a/src/65c02isa.csv b/src/65c02isa.csv
index 02c9d4f..6d7d25e 100644
--- a/src/65c02isa.csv
+++ b/src/65c02isa.csv
@@ -181,7 +181,7 @@ OP_LDA_IZP,"lda",IZP,2,NULL
 OP_NOPI_B4,"nop",IMPLIED,1,NULL
 OP_LDY_ZPX,"ldy",ZPX,2,NULL
 OP_LDA_ZPX,"lda",ZPX,2,NULL
-OP_LDX_ZPY,"unimpl",ZPY,1,NULL
+OP_LDX_ZPY,"ldx",ZPY,1,NULL
 OP_SMB3_ZP,"smb3",ZP,2,NULL
 OP_CLV,"clv",IMPLIED,1,NULL
 OP_LDA_ABSY,"lda",ABSOLUTEY,3,NULL