diff --git a/CHANGELOG.develop b/CHANGELOG.develop
index e278c43f1..0e17ae46c 100644
--- a/CHANGELOG.develop
+++ b/CHANGELOG.develop
@@ -381,6 +381,7 @@ sane way, here is the complete list of changed key bindings
 *** Renamed layers
 - =extra-langs= renamed to =major-modes= (thanks to Eivind Fonn)
 - =pdf-tools= renamed to =pdf=
+- =mercury-layer= renamed to =mercury=
 *** Removed layers
 - evil-cleverparens (moved to =spacemacs-evil=)
 - extra-langs (replaced by =ad-hoc= layers)
diff --git a/layers/+lang/mercury-layer/README.org b/layers/+lang/mercury/README.org
similarity index 100%
rename from layers/+lang/mercury-layer/README.org
rename to layers/+lang/mercury/README.org
diff --git a/layers/+lang/mercury-layer/img/mercury.png b/layers/+lang/mercury/img/mercury.png
similarity index 100%
rename from layers/+lang/mercury-layer/img/mercury.png
rename to layers/+lang/mercury/img/mercury.png
diff --git a/layers/+lang/mercury-layer/packages.el b/layers/+lang/mercury/packages.el
similarity index 98%
rename from layers/+lang/mercury-layer/packages.el
rename to layers/+lang/mercury/packages.el
index 56707eb01..0755603cd 100644
--- a/layers/+lang/mercury-layer/packages.el
+++ b/layers/+lang/mercury/packages.el
@@ -9,7 +9,7 @@
 ;;
 ;;; License: GPLv3
 
-(defconst mercury-layer-packages
+(defconst mercury-packages
   '((metal-mercury-mode :location (recipe
                                    :fetcher github
                                    :repo "ahungry/metal-mercury-mode"