diff --git a/pkgs/applications/networking/p2p/frostwire/default.nix b/pkgs/applications/networking/p2p/frostwire/default.nix
index 475b9b6f2f8..72799941402 100644
--- a/pkgs/applications/networking/p2p/frostwire/default.nix
+++ b/pkgs/applications/networking/p2p/frostwire/default.nix
@@ -35,7 +35,7 @@ let
     # perl code mavenizes pathes (com.squareup.okio/okio/1.13.0/a9283170b7305c8d92d25aff02a6ab7e45d06cbe/okio-1.13.0.jar -> com/squareup/okio/okio/1.13.0/okio-1.13.0.jar)
     installPhase = ''
       find $GRADLE_USER_HOME -type f -regex '.*\.\(jar\|pom\)' \
-        | perl -pe 's#(.*/([^/]+)/([^/]+)/([^/]+)/[0-9a-f]{30,40}/([^/\s]+))# ($x = $2) =~ tr|\.|/|; "install -Dm444 $1 \$out/$x/$3/$4/$5" #e' \
+        | perl -pe 's#(.*/([^/]+)/([^/]+)/([^/]+)/[0-9a-f]{30,40}/([^/\s]+))$# ($x = $2) =~ tr|\.|/|; "install -Dm444 $1 \$out/$x/$3/$4/$5" #e' \
         | sh
     '';
     outputHashAlgo = "sha256";