diff --git a/gnu/packages/admin.scm b/gnu/packages/admin.scm
index 023a85f136..c12d47da4b 100644
--- a/gnu/packages/admin.scm
+++ b/gnu/packages/admin.scm
@@ -5188,7 +5188,7 @@ disk utilization, priority, username, state, and exit code.")
      `())
     (inputs
      `(("go-golang-org-x-text" ,go-golang-org-x-text)
-       ("go-github.com-ulikunitz-xz" ,go-github.com-ulikunitz-xz)))
+       ("go-github-com-ulikunitz-xz" ,go-github-com-ulikunitz-xz)))
     (synopsis "UEFI image editor")
     (description "This package provides a command-line UEFI image editor.")
     (home-page "https://github.com/linuxboot/fiano")
diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index e7816eb1d1..b8ecea013c 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -22484,7 +22484,7 @@ useful for bioinformatic analysis.")
        #:tests? #false)) ;require network access
     (propagated-inputs
      (list go-gopkg-in-check-v1
-           go-github.com-ulikunitz-xz
+           go-github-com-ulikunitz-xz
            go-github-com-kortschak-utter))
     (synopsis "HTS CRAM module for biogo")
     (description "This package provides tools for handling CRAM files.")))
diff --git a/gnu/packages/golang-compression.scm b/gnu/packages/golang-compression.scm
index 031ff54f8a..77701db1a8 100644
--- a/gnu/packages/golang-compression.scm
+++ b/gnu/packages/golang-compression.scm
@@ -140,9 +140,9 @@ library included in the stdlib, and supports GIF, TIFF and PDF.")
     (description "@code{compress} provides various compression algorithms.")
     (license license:bsd-3)))
 
-(define-public go-github.com-ulikunitz-xz
+(define-public go-github-com-ulikunitz-xz
   (package
-    (name "go-github.com-ulikunitz-xz")
+    (name "go-github-com-ulikunitz-xz")
     (version "0.5.8")
     (source
      (origin