diff --git a/pkgs/by-name/mi/mimic/package.nix b/pkgs/by-name/mi/mimic/package.nix
index 5b158b89ee77..943961ba334f 100644
--- a/pkgs/by-name/mi/mimic/package.nix
+++ b/pkgs/by-name/mi/mimic/package.nix
@@ -57,6 +57,8 @@ stdenv.mkDerivation (finalAttrs: {
     "-Wno-error=free-nonheap-object"
     # Fix build w/ glibc-2.44
     "-Wno-error=discarded-qualifiers"
+    # Needed with GCC 16
+    "-Wno-error=unused-but-set-variable"
   ];
 
   postInstall = ''