diff --git a/client.c b/client.c
index 0e7709cde..e12d40d3e 100644
--- a/client.c
+++ b/client.c
@@ -621,8 +621,8 @@ updatesizehints(Client *c)
  * \ingroup ui_callback
  */
 void
-uicb_settrans(awesome_config *awesomeconf,
-              const char *arg)
+uicb_client_settrans(awesome_config *awesomeconf,
+                     const char *arg)
 {
     double delta = 100.0, current_opacity = 100.0;
     unsigned char *data;
diff --git a/client.h b/client.h
index 71e7e8ff7..6b4b10e56 100644
--- a/client.h
+++ b/client.h
@@ -41,7 +41,7 @@ void saveprops(Client *, int);
 
 UICB_PROTO(uicb_client_kill);
 UICB_PROTO(uicb_client_moveresize);
-UICB_PROTO(uicb_settrans);
+UICB_PROTO(uicb_client_settrans);
 UICB_PROTO(uicb_setborder);
 UICB_PROTO(uicb_swapnext);
 UICB_PROTO(uicb_swapprev);
diff --git a/config.c b/config.c
index 047184118..10f48b48d 100644
--- a/config.c
+++ b/config.c
@@ -66,7 +66,7 @@ const NameFuncLink UicbList[] = {
     /* client.c */
     {"client_kill", uicb_client_kill},
     {"client_moveresize", uicb_client_moveresize},
-    {"settrans", uicb_settrans},
+    {"client_settrans", uicb_client_settrans},
     {"setborder", uicb_setborder},
     {"swapnext", uicb_swapnext},
     {"swapprev", uicb_swapprev},