diff --git a/pkgs/by-name/ap/aprx/package.nix b/pkgs/by-name/ap/aprx/package.nix
index 690540326d52..2234546d1329 100644
--- a/pkgs/by-name/ap/aprx/package.nix
+++ b/pkgs/by-name/ap/aprx/package.nix
@@ -22,6 +22,7 @@ stdenv.mkDerivation {
     "-fcommon"
     "-O2"
     "-Wno-implicit-int" # clang, gcc 14
+    "-std=gnu17" # gcc 15
   ];
 
   configureFlags = [