diff --git a/client.c b/client.c
index 0a337442..c7fc432f 100644
--- a/client.c
+++ b/client.c
@@ -109,7 +109,7 @@ create_client(Window w, XWindowAttributes *wa) {
 	for(t=&client; *t; t=&(*t)->next);
 	c->next = *t; /* *t == NULL */
 	*t = c;
-	write_event("CreateClient %d\n", c->win);
+	write_event("CreateClient 0x%x\n", c->win);
 	return c;
 }
 
@@ -177,7 +177,7 @@ focus_client(Client *c, Bool restack) {
 		if(a_i) write_event("ColumnFocus %d\n", a_i);
 		else write_event("FocusFloating\n");
 	}
-	write_event("ClientFocus %d\n", c->win);
+	write_event("ClientFocus 0x%x\n", c->win);
 }
 
 void
@@ -395,7 +395,7 @@ destroy_client(Client *c) {
 	XSetErrorHandler(wmii_error_handler);
 	XUngrabServer(blz.dpy);
 	flush_masked_events(EnterWindowMask);
-	write_event("DestroyClient %d\n", c->win);
+	write_event("DestroyClient 0x%x\n", c->win);
 }
 
 void
diff --git a/event.c b/event.c
index 7147faa9..433df6f7 100644
--- a/event.c
+++ b/event.c
@@ -74,7 +74,7 @@ buttonrelease(XEvent *e) {
 			}
 	}
 	else if((f = frame_of_win(ev->window))) 
-		write_event("ClientClick %d %d\n", f->client->win, ev->button);
+		write_event("ClientClick 0x%x %d\n", f->client->win, ev->button);
 }
 
 static void
diff --git a/fs.c b/fs.c
index b4cb5acf..09b5723a 100644
--- a/fs.c
+++ b/fs.c
@@ -391,7 +391,7 @@ lookup_file(FileId *parent, char *name)
 					}if(name) goto LastItem;
 				}
 				if(name) {
-					id = (unsigned int)strtol(name, &name, 10);
+					id = (unsigned int)strtol(name, &name, 16);
 					if(*name) goto NextItem;
 				}
 				for(c=client; c; c=c->next) {
@@ -403,7 +403,7 @@ lookup_file(FileId *parent, char *name)
 						file->id = c->win;
 						file->tab = *dir;
 						file->tab.name = ixp_emallocz(16);
-						snprintf(file->tab.name, 16, "%d", c->win);
+						snprintf(file->tab.name, 16, "0x%x", (unsigned int)c->win);
 						if(name) goto LastItem;
 					}
 				}
@@ -654,7 +654,7 @@ fs_read(P9Req *r) {
 				return;
 			}
 			r->ofcall.data.rread.data = ixp_emallocz(16);
-			n = snprintf(r->ofcall.data.rread.data, 16, "%d", f->index);
+			n = snprintf(r->ofcall.data.rread.data, 16, "0x%x", (unsigned int)f->index);
 			assert(n >= 0);
 			r->ofcall.data.rread.count = n;
 			respond(r, NULL);
diff --git a/view.c b/view.c
index fa238750..e62dfe9f 100644
--- a/view.c
+++ b/view.c
@@ -286,13 +286,13 @@ view_index(View *v) {
 		for(f=a->frame; f && len > 0; f=f->anext) {
 			XRectangle *r = &f->rect;
 			if(a->floating)
-				n = snprintf(&buffer[buf_i], len, "~ %d %d %d %d %d %s\n",
-						f->client->win,
+				n = snprintf(&buffer[buf_i], len, "~ 0x%x %d %d %d %d %s\n",
+						(unsigned int)f->client->win,
 						r->x, r->y, r->width, r->height,
 						f->client->props);
 			else
-				n = snprintf(&buffer[buf_i], len, "%d %d %d %d %s\n",
-						a_i, f->client->win, r->y,
+				n = snprintf(&buffer[buf_i], len, "%d 0x%x %d %d %s\n",
+						a_i, (unsigned int)f->client->win, r->y,
 						r->height, f->client->props);
 			if(len - n < 0)
 				return (unsigned char *)buffer;
@@ -305,14 +305,17 @@ view_index(View *v) {
 
 Client *
 client_of_message(View *v, char *message, unsigned int *next) {              
-	unsigned int id;
+	unsigned long id = 0;
 	Client *c;
 
 	if(!strncmp(message, "sel ", 4)) {
 		*next = 4;
 		return sel_client_of_view(v);
 	}
-	if((1 != sscanf(message, "%d %n", &id, next)))
+	sscanf(message, "0x%lx %n", &id, next);
+	if(!id)
+		sscanf(message, "%lu %n", &id, next);
+	if(!id)
 		return NULL;
     for(c=client; c && c->win!=id; c=c->next);
 	return c;