diff --git a/pkgs/by-name/pi/pigpio/package.nix b/pkgs/by-name/pi/pigpio/package.nix
index a106642e4931..9bd2683c82ec 100644
--- a/pkgs/by-name/pi/pigpio/package.nix
+++ b/pkgs/by-name/pi/pigpio/package.nix
@@ -26,6 +26,8 @@ mkDerivation rec {
     hash = "sha256-Z+SwUlBbtWtnbjTe0IghR3gIKS43ZziN0amYtmXy7HE=";
   };
 
+  NIX_CFLAGS_COMPILE = "-std=gnu17";
+
   nativeBuildInputs = [
     cmake
   ];