diff --git a/misc/factor.vim.fgen b/misc/factor.vim.fgen
index 35d16a9ad9..33b18566dd 100644
--- a/misc/factor.vim.fgen
+++ b/misc/factor.vim.fgen
@@ -166,7 +166,7 @@ syn match factorLiteralStackEffect /\<((\s\(.*\s\)\?--\(\s.*\)\?\s))\>/
 if exists("g:factor_norainbow")
     syn region factorQuotation matchgroup=factorDelimiter start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/ matchgroup=factorDelimiter end=/\<\]\>/ contains=ALL
 else
-    syn region factorQuotation0           matchgroup=hlLevel0 start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/ end=/\<\]\>/ contains=@factorCluster,factorQuotation1,factorArray1
+    syn region factorQuotation0           matchgroup=hlLevel0 start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/  end=/\<\]\>/ contains=@factorCluster,factorQuotation1,factorArray1
     syn region factorQuotation1 contained matchgroup=hlLevel1 start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/  end=/\<\]\>/ contains=@factorCluster,factorQuotation2,factorArray2
     syn region factorQuotation2 contained matchgroup=hlLevel2 start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/  end=/\<\]\>/ contains=@factorCluster,factorQuotation3,factorArray3
     syn region factorQuotation3 contained matchgroup=hlLevel3 start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/  end=/\<\]\>/ contains=@factorCluster,factorQuotation4,factorArray4
diff --git a/misc/vim/syntax/factor.vim b/misc/vim/syntax/factor.vim
index 539ec6037f..0e61b001c2 100644
--- a/misc/vim/syntax/factor.vim
+++ b/misc/vim/syntax/factor.vim
@@ -153,7 +153,7 @@ syn match factorLiteralStackEffect /\<((\s\(.*\s\)\?--\(\s.*\)\?\s))\>/
 if exists("g:factor_norainbow")
     syn region factorQuotation matchgroup=factorDelimiter start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/ matchgroup=factorDelimiter end=/\<\]\>/ contains=ALL
 else
-    syn region factorQuotation0           matchgroup=hlLevel0 start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/ end=/\<\]\>/ contains=@factorCluster,factorQuotation1,factorArray1
+    syn region factorQuotation0           matchgroup=hlLevel0 start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/  end=/\<\]\>/ contains=@factorCluster,factorQuotation1,factorArray1
     syn region factorQuotation1 contained matchgroup=hlLevel1 start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/  end=/\<\]\>/ contains=@factorCluster,factorQuotation2,factorArray2
     syn region factorQuotation2 contained matchgroup=hlLevel2 start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/  end=/\<\]\>/ contains=@factorCluster,factorQuotation3,factorArray3
     syn region factorQuotation3 contained matchgroup=hlLevel3 start=/\<\(\(\('\|\$\|\)\[\)\|\[\(let\||\)\)\>/  end=/\<\]\>/ contains=@factorCluster,factorQuotation4,factorArray4