diff --git a/pkgs/build-support/fetchmavenartifact/default.nix b/pkgs/build-support/fetchmavenartifact/default.nix
index b1482a3578b2..42162638e72d 100644
--- a/pkgs/build-support/fetchmavenartifact/default.nix
+++ b/pkgs/build-support/fetchmavenartifact/default.nix
@@ -50,7 +50,7 @@ let
       (replaceChars ["."] ["/"] groupId)
       artifactId
       version
-      "${artifactId}-${version}-${optionalString (!isNull classifier) "-${classifier}"}.jar"
+      "${artifactId}-${version}${optionalString (!isNull classifier) "-${classifier}"}.jar"
     ];
   urls_ =
     if url != "" then [url]