diff --git a/pkgs/by-name/do/dopewars/0002-fix_gcc15.patch b/pkgs/by-name/do/dopewars/0002-fix_gcc15.patch
new file mode 100644
index 000000000000..594cc5aa5081
--- /dev/null
+++ b/pkgs/by-name/do/dopewars/0002-fix_gcc15.patch
@@ -0,0 +1,26 @@
+diff --git a/src/gtkport/itemfactory.c b/src/gtkport/itemfactory.c
+index b7a8c3f..980682c 100644
+--- a/src/gtkport/itemfactory.c
++++ b/src/gtkport/itemfactory.c
+@@ -217,7 +217,7 @@ void dp_gtk_item_factory_create_item(DPGtkItemFactory *ifactory,
+   new_child->widget = menu_item;
+   if (entry->callback) {
+     g_signal_connect(G_OBJECT(menu_item), "activate",
+-                     entry->callback, callback_data);
++                     G_CALLBACK(entry->callback), callback_data);
+   }
+ 
+   if (parent) {
+diff --git a/src/gtkport/itemfactory.h b/src/gtkport/itemfactory.h
+index a1d5b1d..2702595 100644
+--- a/src/gtkport/itemfactory.h
++++ b/src/gtkport/itemfactory.h
+@@ -59,7 +59,7 @@ GtkItemFactory *dp_gtk_item_factory_new(const gchar *path,
+ 
+ typedef gchar *(*DPGtkTranslateFunc) (const gchar *path, gpointer func_data);
+ 
+-typedef void (*DPGtkItemFactoryCallback) ();
++typedef void (*DPGtkItemFactoryCallback) (GtkWidget *widget, gpointer data);
+ 
+ typedef struct _DPGtkItemFactoryEntry DPGtkItemFactoryEntry;
+ typedef struct _DPGtkItemFactory DPGtkItemFactory;
diff --git a/pkgs/by-name/do/dopewars/package.nix b/pkgs/by-name/do/dopewars/package.nix
index ab3f7603b86c..7b9dea613aed 100644
--- a/pkgs/by-name/do/dopewars/package.nix
+++ b/pkgs/by-name/do/dopewars/package.nix
@@ -34,8 +34,12 @@ stdenv.mkDerivation (finalAttrs: {
     ncurses
   ];
 
-  # remove the denied setting of setuid bit permission
-  patches = [ ./0001-remove_setuid.patch ];
+  patches = [
+    # remove the denied setting of setuid bit permission
+    ./0001-remove_setuid.patch
+    # fix compilation errors with gcc15
+    ./0002-fix_gcc15.patch
+  ];
 
   # run dopewars with -f so that it finds its scoreboard file in ~/.local/share
   postInstall = ''