diff --git a/misc/fuel/fuel-font-lock.el b/misc/fuel/fuel-font-lock.el
index 2bf3f710e4..4b3607b96d 100644
--- a/misc/fuel/fuel-font-lock.el
+++ b/misc/fuel/fuel-font-lock.el
@@ -92,9 +92,9 @@
   `((,fuel-syntax--stack-effect-regex . 'factor-font-lock-stack-effect)
     (,fuel-syntax--brace-words-regex 1 'factor-font-lock-parsing-word)
     (,fuel-syntax--vocab-ref-regexp  2 'factor-font-lock-vocabulary-name)
-    (,fuel-syntax--constructor-regex (1 'factor-font-lock-word)
-                                     (2 'factor-font-lock-type-name)
-                                     (3 'factor-font-lock-invalid-syntax nil t))
+    (,fuel-syntax--constructor-decl-regex (1 'factor-font-lock-word)
+                                          (2 'factor-font-lock-type-name)
+                                          (3 'factor-font-lock-invalid-syntax nil t))
     (,fuel-syntax--typedef-regex (1 'factor-font-lock-type-name)
                                  (2 'factor-font-lock-type-name)
                                  (3 'factor-font-lock-invalid-syntax nil t))
diff --git a/misc/fuel/fuel-syntax.el b/misc/fuel/fuel-syntax.el
index 3f47f55b88..5a666d5744 100644
--- a/misc/fuel/fuel-syntax.el
+++ b/misc/fuel/fuel-syntax.el
@@ -209,7 +209,7 @@
           (format ":[^ ]* [^ ]+\\(%s\\)*" fuel-syntax--stack-effect-regex)
           "M[^:]*: [^ ]+ [^ ]+"))
 
-(defconst fuel-syntax--constructor-regex
+(defconst fuel-syntax--constructor-decl-regex
   "\\_<C: +\\(\\w+\\) +\\(\\w+\\)\\( .*\\)?$")
 
 (defconst fuel-syntax--typedef-regex