diff --git a/pkgs/by-name/zu/zug/gcc15.patch b/pkgs/by-name/zu/zug/gcc15.patch
new file mode 100644
index 000000000000..b0e44a4b7b1d
--- /dev/null
+++ b/pkgs/by-name/zu/zug/gcc15.patch
@@ -0,0 +1,15 @@
+diff --git a/zug/sequence.hpp b/zug/sequence.hpp
+index d7ac093..bffb771 100644
+--- a/zug/sequence.hpp
++++ b/zug/sequence.hpp
+@@ -76,8 +76,9 @@ struct sequence_data
+ 
+     sequence_data& operator=(sequence_data&& other)
+     {
+-        impl_ = std::move(other.impl);
++        impl_ = std::move(other.impl_);
+         impl_.reductor.current(this);
++        return *this;
+     }
+ 
+     sequence_data& operator=(const sequence_data& other)
diff --git a/pkgs/by-name/zu/zug/package.nix b/pkgs/by-name/zu/zug/package.nix
index 95c9d82f06aa..97eb691bbb90 100644
--- a/pkgs/by-name/zu/zug/package.nix
+++ b/pkgs/by-name/zu/zug/package.nix
@@ -24,6 +24,9 @@ stdenv.mkDerivation (finalAttrs: {
       url = "https://github.com/arximboldi/zug/commit/c8c74ada30d931e40636c13763b892f20d3ce1ae.patch";
       hash = "sha256-0x+ScRnziBeyHWYJowcVb2zahkcK2qKrMVVk2twhtHA=";
     })
+
+    # https://github.com/arximboldi/zug/issues/45
+    ./gcc15.patch
   ];
 
   nativeBuildInputs = [ cmake ];