diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index b8642e515..a4ea01596 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+2000-07-26  Dave Brolley  <brolley@redhat.com>
+
+	* cgen.h (cgen_hw_lookup_by_num): Second parameter is unsigned.
+
 2000-07-20  Hans-Peter Nilsson  <hp@axis.com>
 
 	cris.h: New file.
diff --git a/include/opcode/cgen.h b/include/opcode/cgen.h
index ff897856c..632545d27 100644
--- a/include/opcode/cgen.h
+++ b/include/opcode/cgen.h
@@ -452,7 +452,7 @@ typedef struct {
 extern const CGEN_HW_ENTRY * cgen_hw_lookup_by_name
      PARAMS ((CGEN_CPU_DESC, const char *));
 extern const CGEN_HW_ENTRY * cgen_hw_lookup_by_num
-     PARAMS ((CGEN_CPU_DESC, int));
+     PARAMS ((CGEN_CPU_DESC, unsigned int));
 
 /* This struct is used to describe things like register names, etc.  */