diff --git a/meson.build b/meson.build
index 625bdc0c..974d903e 100644
--- a/meson.build
+++ b/meson.build
@@ -532,6 +532,7 @@ executable('libinput-record',
 	   install : true,
 	   )
 
+config_h.set10('HAVE_DEBUG_GUI', get_option('debug-gui'))
 if get_option('debug-gui')
 	dep_gtk = dependency('gtk4', version : '>= 4.0', required : false)
 	config_h.set10('HAVE_GTK4', dep_gtk.found())
diff --git a/tools/libinput-tool.c b/tools/libinput-tool.c
index d6192405..a1140277 100644
--- a/tools/libinput-tool.c
+++ b/tools/libinput-tool.c
@@ -46,9 +46,11 @@ usage(void)
 	       "  debug-events\n"
 	       "	Print events to stdout\n"
 	       "\n"
+#if HAVE_DEBUG_GUI
 	       "  debug-gui\n"
 	       "	Display a simple GUI to visualize libinput's events.\n"
 	       "\n"
+#endif
 	       "  measure <feature>\n"
 	       "	Measure various device properties. See the man page for more info\n"
 	       "\n"