diff --git a/src/config.def.h b/src/config.def.h
index 42191b6..be75b39 100644
--- a/src/config.def.h
+++ b/src/config.def.h
@@ -1,7 +1,5 @@
 /* See LICENSE file for copyright and license details. */
 
-static const char wm_name[] = "PolytreeWM";
-
 /* appearance */
 
 static const char *fonts[]          = { "monospace:size=10" };
diff --git a/src/dwm.c b/src/dwm.c
index caea1ee..aa4bdec 100644
--- a/src/dwm.c
+++ b/src/dwm.c
@@ -229,6 +229,8 @@ static void zoom(const Arg *arg);
  * variables *
  *************/
 
+static const char *program_title = NULL;
+
 static struct Screen screen = {
 	.sizes = { 0, 0 },
 	.x_screen = 0,
@@ -280,8 +282,12 @@ static void (*handler[LASTEvent])(XEvent*) = {
  * Public function implementations *
  ***********************************/
 
-int dwm_main()
+int dwm_main(const char *const new_program_title)
 {
+	if (!(program_title = new_program_title)) {
+		fatal("no program title is given");
+	}
+
 	if (!XSupportsLocale()) {
 		warning("no locale support in X");
 	}
@@ -2195,8 +2201,8 @@ void wmcheckwin_create()
 		8,
 		PropModeReplace,
 		(unsigned char*)
-		wm_name,
-		strlen(wm_name)
+		program_title,
+		strlen(program_title)
 	);
 	XChangeProperty(
 		dpy,
diff --git a/src/dwm.h b/src/dwm.h
index 988888b..39c3451 100644
--- a/src/dwm.h
+++ b/src/dwm.h
@@ -1,6 +1,6 @@
 #ifndef _DWM_H
 #define _DWM_H
 
-int dwm_main();
+int dwm_main(const char *program_title);
 
 #endif // _DWM_H
diff --git a/src/main.c b/src/main.c
index 0948e16..b7d9944 100644
--- a/src/main.c
+++ b/src/main.c
@@ -12,7 +12,8 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
-#define PROGRAM_NAME "polytreewm"
+#define PROGRAM_TITLE "PolytreeWM"
+#define PROGRAM_NAME  "polytreewm"
 
 static char *program_exe = NULL;
 
@@ -57,7 +58,7 @@ int main(int argc, char *argv[])
 		}
 	}
 
-	exit(dwm_main(argc, argv));
+	exit(dwm_main(PROGRAM_TITLE));
 }
 
 void signal_callback(const int signo)