diff --git a/arch/M68K/M68KDisassembler.h b/arch/M68K/M68KDisassembler.h
index 7f715f692..229545ba3 100644
--- a/arch/M68K/M68KDisassembler.h
+++ b/arch/M68K/M68KDisassembler.h
@@ -17,7 +17,7 @@ typedef struct m68k_info {
 	unsigned int type;
 	unsigned int address_mask; /* Address mask to simulate address lines */
 	cs_m68k extension;
-	uint16_t regs_read[12]; // list of implicit registers read by this insn
+	uint16_t regs_read[20]; // list of implicit registers read by this insn
 	uint8_t regs_read_count; // number of implicit registers read by this insn
 	uint16_t regs_write[20]; // list of implicit registers modified by this insn
 	uint8_t regs_write_count; // number of implicit registers modified by this insn