diff --git a/src/fe-gtk/fe-gtk.c b/src/fe-gtk/fe-gtk.c
index aa31c59a..3b4f048e 100644
--- a/src/fe-gtk/fe-gtk.c
+++ b/src/fe-gtk/fe-gtk.c
@@ -736,7 +736,9 @@ fe_apply_gtk3_theme_with_reload (const char *theme_name, gboolean force_reload,
 		gtk_style_context_add_provider_for_screen (
 			screen,
 			GTK_STYLE_PROVIDER (gtk3_theme_provider),
-			GTK_STYLE_PROVIDER_PRIORITY_THEME);
+			/* Use application priority so imported GTK3 themes consistently
+		 * override the desktop theme for ZoiteChat widgets. */
+			GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
 		gtk_style_context_reset_widgets (screen);
 	}