diff --git a/CMakeLists.txt b/CMakeLists.txt
index 32325bb..e8bbfed 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -91,9 +91,3 @@ target_link_libraries(${APP_NAME}
     PRIVATE m
     PRIVATE ${deps_LIBRARIES}
 )
-
-configure_file("${SOURCE_DIR}/app.h.in"
-    "${BUILD_DIR}/app.h"
-    ESCAPE_QUOTES
-    @ONLY
-)
diff --git a/src/app.h.in b/src/app.h.in
deleted file mode 100644
index 58537fe..0000000
--- a/src/app.h.in
+++ /dev/null
@@ -1,5 +0,0 @@
-#pragma once
-
-#define APP_NAME "@APP_NAME@"
-
-#cmakedefine HAS_EXECINFO
diff --git a/src/backend/x11/backend.c b/src/backend/x11/backend.c
index efc3226..fbf44ba 100644
--- a/src/backend/x11/backend.c
+++ b/src/backend/x11/backend.c
@@ -17,6 +17,7 @@
 
 #include "backend/output_utils.h"
 #include "backend/x11/window.h"
+#include "base/app.h"
 #include "base/array.h"
 #include "base/log.h"
 #include "base/macros.h"
@@ -72,13 +73,12 @@ static void create_wm_check_window(backend_t *backend) {
   xcb_create_window(conn, depth, win, root, -1, -1, 1, 1, 0, _c, v, m, p);
   window_set_class_instance(conn, win);
 
-#define NAME "zdwm"
-  window_set_name_static(conn, win, NAME);
+  window_set_name_static(conn, win, APP_NAME);
   uint8_t mode    = XCB_PROP_MODE_REPLACE;
   xcb_atom_t prop = backend->atoms._NET_WM_NAME;
   xcb_atom_t type = backend->atoms.UTF8_STRING;
-  xcb_change_property(conn, mode, win, prop, type, 8, sizeof(NAME) - 1, NAME);
-#undef NAME
+  auto data_len   = sizeof(APP_NAME) - 1;
+  xcb_change_property(conn, mode, win, prop, type, 8, data_len, APP_NAME);
 
   prop = backend->atoms._NET_SUPPORTING_WM_CHECK;
   type = XCB_ATOM_WINDOW;
@@ -109,7 +109,7 @@ static void create_no_focus_window(backend_t *backend) {
   };
   xcb_create_window_aux(conn, d, win, root, -1, -1, 1, 1, 0, _c, v, m, &p);
   window_set_class_instance(conn, win);
-  window_set_name_static(conn, win, "zdwm no input window");
+  window_set_name_static(conn, win, APP_NAME " no input window");
   xcb_map_window(conn, win);
 
   backend->window_no_focus = win;
diff --git a/src/backend/x11/window.h b/src/backend/x11/window.h
index d2d3054..1227f88 100644
--- a/src/backend/x11/window.h
+++ b/src/backend/x11/window.h
@@ -7,6 +7,7 @@
 #include <xcb/xcb_icccm.h>
 #include <xcb/xproto.h>
 
+#include "base/app.h"
 #include "core/backend.h"
 #include "internal.h"
 
@@ -73,7 +74,7 @@ window_state_t atom_to_window_state(const atoms_t *atoms, xcb_atom_t atom);
   xcb_icccm_set_wm_name(conn, win, XCB_ATOM_STRING, 8, sizeof(name) - 1, name)
 
 #define window_set_class_instance(conn, win) \
-  window_set_class_instance_static(conn, win, "zdwm", "zdwm")
+  window_set_class_instance_static(conn, win, APP_NAME, APP_NAME)
 #define window_set_class_instance_static(conn, win, instance, class) \
   _window_set_class_instance_static(conn, win, instance "\0" class)
 #define _window_set_class_instance_static(conn, win, instance_class) \
diff --git a/src/base/app.h b/src/base/app.h
new file mode 100644
index 0000000..ddb3b8d
--- /dev/null
+++ b/src/base/app.h
@@ -0,0 +1,3 @@
+#pragma once
+
+#define APP_NAME "zdwm"
diff --git a/src/base/log.c b/src/base/log.c
index bc5a667..155328f 100644
--- a/src/base/log.c
+++ b/src/base/log.c
@@ -5,7 +5,7 @@
 #include <stdlib.h>
 #include <time.h>
 
-#include "app.h"
+#include "base/app.h"
 
 const char *current_time_str(void) {
   static char buffer[25];