diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index ec48b97ced..91ee521e8c 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2013-03-26  Pedro Alves  <palves@redhat.com>
+
+	* dcache.c (_initialize_dcache): Make the "set dcache line-size"
+	and "set dcache size" commands zuinteger instead of uinteger.
+
 2013-03-26  Pedro Alves  <palves@redhat.com>
 
 	* cris-tdep.c (_initialize_cris_tdep): Make the "set cris-version"
diff --git a/gdb/dcache.c b/gdb/dcache.c
index 6e2c7a2905..acb9de4aa0 100644
--- a/gdb/dcache.c
+++ b/gdb/dcache.c
@@ -727,20 +727,20 @@ Use this command to set number of lines in dcache and line-size."),
 Show dcachesettings."),
 		  &dcache_show_list, "show dcache ", /*allow_unknown*/0, &showlist);
 
-  add_setshow_uinteger_cmd ("line-size", class_obscure,
-			    &dcache_line_size, _("\
+  add_setshow_zuinteger_cmd ("line-size", class_obscure,
+			     &dcache_line_size, _("\
 Set dcache line size in bytes (must be power of 2)."), _("\
 Show dcache line size."),
-			    NULL,
-			    set_dcache_line_size,
-			    NULL,
-			    &dcache_set_list, &dcache_show_list);
-  add_setshow_uinteger_cmd ("size", class_obscure,
-			    &dcache_size, _("\
+			     NULL,
+			     set_dcache_line_size,
+			     NULL,
+			     &dcache_set_list, &dcache_show_list);
+  add_setshow_zuinteger_cmd ("size", class_obscure,
+			     &dcache_size, _("\
 Set number of dcache lines."), _("\
 Show number of dcache lines."),
-			    NULL,
-			    set_dcache_size,
-			    NULL,
-			    &dcache_set_list, &dcache_show_list);
+			     NULL,
+			     set_dcache_size,
+			     NULL,
+			     &dcache_set_list, &dcache_show_list);
 }