diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index eee0068086..1f7a41ec31 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+2005-07-18  Jan Beulich  <jbeulich@novell.com>
+
+	* i386.h (i386_optab): Operands of aam and aad are unsigned.
+
 2007-07-15  H.J. Lu <hongjiu.lu@intel.com>
 
 	* i386.h (i386_optab): Support Intel VMX Instructions.
diff --git a/include/opcode/i386.h b/include/opcode/i386.h
index 9da7187388..c7f2b45b4e 100644
--- a/include/opcode/i386.h
+++ b/include/opcode/i386.h
@@ -295,9 +295,9 @@ static const template i386_optab[] =
 {"daa",	   0,	0x27, X, CpuNo64,	NoSuf,			{ 0, 0, 0} },
 {"das",	   0,	0x2f, X, CpuNo64,	NoSuf,			{ 0, 0, 0} },
 {"aad",	   0, 0xd50a, X, CpuNo64,	NoSuf,			{ 0, 0, 0} },
-{"aad",	   1,   0xd5, X, CpuNo64,	NoSuf,			{ Imm8S, 0, 0} },
+{"aad",	   1,   0xd5, X, CpuNo64,	NoSuf,			{ Imm8, 0, 0} },
 {"aam",	   0, 0xd40a, X, CpuNo64,	NoSuf,			{ 0, 0, 0} },
-{"aam",	   1,   0xd4, X, CpuNo64,	NoSuf,			{ Imm8S, 0, 0} },
+{"aam",	   1,   0xd4, X, CpuNo64,	NoSuf,			{ Imm8, 0, 0} },
 
 /* Conversion insns.  */
 /* Intel naming */