diff --git a/pkgs/by-name/fr/freeswitch/package.nix b/pkgs/by-name/fr/freeswitch/package.nix
index c3c801c2c3ef..06fa719b7579 100644
--- a/pkgs/by-name/fr/freeswitch/package.nix
+++ b/pkgs/by-name/fr/freeswitch/package.nix
@@ -158,7 +158,11 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  env.NIX_CFLAGS_COMPILE = "-Wno-error";
+  env.NIX_CFLAGS_COMPILE = toString [
+    "-Wno-error"
+    # https://github.com/signalwire/freeswitch/issues/2495
+    "-Wno-incompatible-pointer-types"
+  ];
 
   # Using c++14 because of build error
   # gsm_at.h:94:32: error: ISO C++17 does not allow dynamic exception specifications