diff --git a/syntax/ps1.vim b/syntax/ps1.vim
index 30299b8..77474d1 100755
--- a/syntax/ps1.vim
+++ b/syntax/ps1.vim
@@ -62,7 +62,7 @@ syn keyword ps1Operator and or band bor not
 syn keyword ps1Operator f
 
 " Regular Strings
-syn region ps1String start=/[^`]?"/ skip=/`"/ end=/"/ 
+syn region ps1String start=/`\@<!"/ skip=/`"/ end=/"/ 
 syn region ps1String start=/'/ end=/'/  
 
 " Here-Strings