diff --git a/insns.dat b/insns.dat
index 2dc540ffa..58247ce95 100644
--- a/insns.dat
+++ b/insns.dat
@@ -219,11 +219,11 @@ CALL		mem32|near			\321\1\xFF\202					386,NOLONG
 CALL		mem64|near			\324\1\xFF\202					X64
 CALL		reg16				\320\1\xFF\202					8086
 CALL		reg32				\321\1\xFF\202					386,NOLONG
-CALL		reg64				\324\1\xFF\202					X64
+CALL		reg64				\323\1\xFF\202					X64
 CALL		mem				\322\1\xFF\202					8086
 CALL		mem16				\320\1\xFF\202					8086
 CALL		mem32				\321\1\xFF\202					386,NOLONG
-CALL		mem64				\324\1\xFF\202					X64
+CALL		mem64				\323\1\xFF\202					X64
 CBW		void				\320\1\x98					8086
 CDQ		void				\321\1\x99					386
 CDQE		void				\324\1\x98					X64
@@ -638,14 +638,14 @@ JMP		mem32|far			\321\1\xFF\205					386
 JMP		mem|near			\322\1\xFF\204					8086
 JMP		mem16|near			\320\1\xFF\204					8086
 JMP		mem32|near			\321\1\xFF\204					386,NOLONG
-JMP		mem64|near			\324\1\xFF\204					X64
+JMP		mem64|near			\323\1\xFF\204					X64
 JMP		reg16				\320\1\xFF\204					8086
 JMP		reg32				\321\1\xFF\204					386,NOLONG
 JMP		reg64				\324\1\xFF\204					X64
 JMP		mem				\322\1\xFF\204					8086
 JMP		mem16				\320\1\xFF\204					8086
 JMP		mem32				\321\1\xFF\204					386,NOLONG
-JMP		mem64				\324\1\xFF\204					X64
+JMP		mem64				\323\1\xFF\204					X64
 JMPE		imm				\322\2\x0F\xB8\64				IA64
 JMPE		imm16				\320\2\x0F\xB8\64				IA64
 JMPE		imm32				\321\2\x0F\xB8\64				IA64
diff --git a/test/jmp64.asm b/test/jmp64.asm
new file mode 100644
index 000000000..440551f7d
--- /dev/null
+++ b/test/jmp64.asm
@@ -0,0 +1,4 @@
+	bits 64
+	jmp rcx
+	call [rax]
+	call qword [rdx]