diff --git a/opcodes/i386-opc.tbl b/opcodes/i386-opc.tbl
index d2ec8256af7..5d0c81b8853 100644
--- a/opcodes/i386-opc.tbl
+++ b/opcodes/i386-opc.tbl
@@ -3006,7 +3006,7 @@ rdpid, 0xf30fc7/7, RDPID&x64, Modrm|NoSuf|NoRex64, { Reg64 }
 
 // PTWRITE instructions.
 
-ptwrite, 0xf30fae/4, PTWRITE&No64, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf, { Reg32|Unspecified|BaseIndex }
+ptwrite, 0xf30fae/4, PTWRITE&No64, Modrm|IgnoreSize|No_bSuf|No_wSuf|No_sSuf|No_qSuf, { Reg32|Unspecified|BaseIndex }
 ptwrite, 0xf30fae/4, PTWRITE&x64, Modrm|No_bSuf|No_wSuf|No_sSuf, { Reg32|Reg64|Unspecified|BaseIndex }
 
 // PTWRITE instructions end.
diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h
index d203adf1a6e..bc98f5df3cb 100644
--- a/opcodes/i386-tbl.h
+++ b/opcodes/i386-tbl.h
@@ -37611,7 +37611,7 @@ static const insn_template i386_optab[] =
     { { { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0,
 	  0, 0, 0, 0, 0, 0 } } } },
   { MN_ptwrite, 0xae, 1, SPACE_0F, 4,
-    { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0,
+    { 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0,
       0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
       0 },
     { { 103, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0 } },