diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 4e92568930..efac7071f0 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,7 @@
+2015-03-30  Mike Frysinger  <vapier@gentoo.org>
+
+	* d10v-opc.c (d10v_reg_name_cnt): Convert old style prototype.
+
 2015-03-29  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* Makefile.in: Regenerated.
diff --git a/opcodes/d10v-opc.c b/opcodes/d10v-opc.c
index 27746d3df3..0f2b28036f 100644
--- a/opcodes/d10v-opc.c
+++ b/opcodes/d10v-opc.c
@@ -90,7 +90,7 @@ const struct pd_reg d10v_predefined_registers[] =
 };
 
 int 
-d10v_reg_name_cnt()
+d10v_reg_name_cnt (void)
 {
   return (sizeof(d10v_predefined_registers) / sizeof(struct pd_reg));
 }