diff --git a/modules/arch/x86/tests/Makefile.inc b/modules/arch/x86/tests/Makefile.inc
index aa5d59db..0aae20c5 100644
--- a/modules/arch/x86/tests/Makefile.inc
+++ b/modules/arch/x86/tests/Makefile.inc
@@ -104,3 +104,6 @@ EXTRA_DIST += modules/arch/x86/tests/twobytemem.hex
 EXTRA_DIST += modules/arch/x86/tests/x86label.asm
 EXTRA_DIST += modules/arch/x86/tests/x86label.errwarn
 EXTRA_DIST += modules/arch/x86/tests/x86label.hex
+EXTRA_DIST += modules/arch/x86/tests/xmm64.asm
+EXTRA_DIST += modules/arch/x86/tests/xmm64.errwarn
+EXTRA_DIST += modules/arch/x86/tests/xmm64.hex
diff --git a/modules/arch/x86/tests/xmm64.asm b/modules/arch/x86/tests/xmm64.asm
new file mode 100644
index 00000000..4a963f53
--- /dev/null
+++ b/modules/arch/x86/tests/xmm64.asm
@@ -0,0 +1,3 @@
+[bits 64]
+xorps xmm2, xmm2
+xorps xmm10, xmm10
diff --git a/modules/arch/x86/tests/xmm64.errwarn b/modules/arch/x86/tests/xmm64.errwarn
new file mode 100644
index 00000000..e69de29b
diff --git a/modules/arch/x86/tests/xmm64.hex b/modules/arch/x86/tests/xmm64.hex
new file mode 100644
index 00000000..c387aa22
--- /dev/null
+++ b/modules/arch/x86/tests/xmm64.hex
@@ -0,0 +1,7 @@
+0f 
+57 
+d2 
+45 
+0f 
+57 
+d2 
diff --git a/modules/arch/x86/x86id.re b/modules/arch/x86/x86id.re
index 1724c5a5..7f5cbe64 100644
--- a/modules/arch/x86/x86id.re
+++ b/modules/arch/x86/x86id.re
@@ -2453,7 +2453,7 @@ yasm_x86__parse_check_id(yasm_arch *arch, unsigned long data[4],
 			      N_("`%s' is a register in 64-bit mode"), oid);
 		return YASM_ARCH_CHECK_ID_NONE;
 	    }
-	    data[0] = X86_REG64 | (10+oid[4]-'0');
+	    data[0] = X86_XMMREG | (10+oid[4]-'0');
 	    return YASM_ARCH_CHECK_ID_REG;
 	}