diff --git a/pkgs/applications/radio/srsran/default.nix b/pkgs/applications/radio/srsran/default.nix
index 265044d4282..10ad55ca3b2 100644
--- a/pkgs/applications/radio/srsran/default.nix
+++ b/pkgs/applications/radio/srsran/default.nix
@@ -17,7 +17,7 @@
 
 stdenv.mkDerivation rec {
   pname = "srsran";
-  version = "23_04";
+  version = "23.04";
 
   src = fetchFromGitHub {
     owner = "srsran";