diff --git a/pkgs/by-name/ru/rusty-man/package.nix b/pkgs/by-name/ru/rusty-man/package.nix
index bdac57fd6f7b..d425d35c3ea9 100644
--- a/pkgs/by-name/ru/rusty-man/package.nix
+++ b/pkgs/by-name/ru/rusty-man/package.nix
@@ -19,6 +19,9 @@ rustPlatform.buildRustPackage (finalAttrs: {
 
   cargoHash = "sha256-ZIRwp5AJugMDxg3DyFIH5VlD0m4Si2tJdspKE5QEB4M=";
 
+  # Fix build with gcc 15
+  env.NIX_CFLAGS_COMPILE = "-std=gnu17";
+
   nativeInstallCheckInputs = [ versionCheckHook ];
   doInstallCheck = true;
 
@@ -30,8 +33,6 @@ rustPlatform.buildRustPackage (finalAttrs: {
     homepage = "https://git.sr.ht/~ireas/rusty-man";
     changelog = "https://git.sr.ht/~ireas/rusty-man/tree/v${finalAttrs.version}/item/CHANGELOG.md";
     license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [
-      defelo
-    ];
+    maintainers = with lib.maintainers; [ defelo ];
   };
 })