diff --git a/man/feh.pre b/man/feh.pre
index c60e15a1949a6906b1b5698acabc02ae7304a1ac..701e399e0fcd0913a5aa51a04b8a2fe75ad64768 100644
--- a/man/feh.pre
+++ b/man/feh.pre
@@ -873,6 +873,10 @@ Image width
 .Nm
 version
 .
+.It %V
+.
+Process ID
+.
 .It %z
 .
 current image zoom
diff --git a/src/slideshow.c b/src/slideshow.c
index 60bd99c4f6eaf6420f54d47e09031cb38aaafd27..7dcf7917b6d085c00b9b0e6c92fc038c40e6998b 100644
--- a/src/slideshow.c
+++ b/src/slideshow.c
@@ -508,6 +508,10 @@ char *feh_printf(char *str, feh_file * file, winwidget winwid)
 			case 'v':
 				strcat(ret, VERSION);
 				break;
+			case 'V':
+				snprintf(buf, sizeof(buf), "%d", getpid());
+				strcat(ret, buf);
+				break;
 			case 'w':
 				if (file && (file->info || !feh_file_info_load(file, NULL))) {
 					snprintf(buf, sizeof(buf), "%d", file->info->width);