diff --git a/misc/fuel/factor-mode.el b/misc/fuel/factor-mode.el
index 0a93bd8910..1ef2969268 100644
--- a/misc/fuel/factor-mode.el
+++ b/misc/fuel/factor-mode.el
@@ -887,6 +887,9 @@ With prefix, non-existing files will be created."
     (modify-syntax-entry ?* "_" table)
     (modify-syntax-entry ?- "_" table)
     (modify-syntax-entry ?\; "_" table)
+    (modify-syntax-entry ?\' "_" table)
+    (modify-syntax-entry ?^ "_" table)
+    (modify-syntax-entry ?~ "_" table)
     (modify-syntax-entry ?\( "()" table)
     (modify-syntax-entry ?\) ")(" table)
     (modify-syntax-entry ?\{ "(}" table)