diff --git a/gnu/packages/pretty-print.scm b/gnu/packages/pretty-print.scm
index ca98694afa..621dc8bf9c 100644
--- a/gnu/packages/pretty-print.scm
+++ b/gnu/packages/pretty-print.scm
@@ -180,6 +180,7 @@ (define-public fmt-11
        (uri (git-reference
              (url "https://github.com/fmtlib/fmt")
              (commit version)))
+       (file-name (git-file-name name version))
        (sha256
         (base32 "1v9k57zj34axagkxwkmg73gs9h15i6c8nv9hsgwjwmi82pinv8r0"))))
     (build-system cmake-build-system)