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-rw-r--r--pkgs/applications/networking/mumble/default.nix1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/applications/networking/mumble/default.nix b/pkgs/applications/networking/mumble/default.nix
index b72e218ddcfb7..91ec4ee9c26ef 100644
--- a/pkgs/applications/networking/mumble/default.nix
+++ b/pkgs/applications/networking/mumble/default.nix
@@ -27,6 +27,7 @@ let
 
     cmakeFlags = [
       "-D g15=OFF"
+      "-D CMAKE_CXX_STANDARD=17" # protobuf >22 requires C++ 17
     ] ++ (overrides.configureFlags or [ ]);
 
     preConfigure = ''