diff --git a/modes/dmenu.c b/modes/dmenu.c
index ada2f0b..7fe6a2d 100644
--- a/modes/dmenu.c
+++ b/modes/dmenu.c
@@ -105,7 +105,7 @@ void wofi_dmenu_init(struct mode* this, struct map* config) {
 	map_free(cached);
 }
 
-struct widget* wofi_dmenu_get_widget() {
+struct widget* wofi_dmenu_get_widget(void) {
 	struct node* node, *tmp;
 	wl_list_for_each_reverse_safe(node, tmp, &widgets, link) {
 		struct widget* widget = node->widget;
diff --git a/modes/drun.c b/modes/drun.c
index 402bd67..1010d57 100644
--- a/modes/drun.c
+++ b/modes/drun.c
@@ -299,7 +299,7 @@ void wofi_drun_init(struct mode* this, struct map* config) {
 	map_free(entries);
 }
 
-struct widget* wofi_drun_get_widget() {
+struct widget* wofi_drun_get_widget(void) {
 	struct node* node, *tmp;
 	wl_list_for_each_reverse_safe(node, tmp, &widgets, link) {
 		struct widget* widget = node->widget;
diff --git a/modes/run.c b/modes/run.c
index e85d3d5..3ffe809 100644
--- a/modes/run.c
+++ b/modes/run.c
@@ -128,7 +128,7 @@ void wofi_run_init(struct mode* this, struct map* config) {
 	map_free(entries);
 }
 
-struct widget* wofi_run_get_widget() {
+struct widget* wofi_run_get_widget(void) {
 	struct node* node, *tmp;
 	wl_list_for_each_reverse_safe(node, tmp, &widgets, link) {
 		struct widget* widget = node->widget;