diff --git a/syntax/just.vim b/syntax/just.vim
index ffaf2ea..6f84d07 100644
--- a/syntax/just.vim
+++ b/syntax/just.vim
@@ -29,6 +29,8 @@ syn region justRawString start=/'/ end=/'/
 syn region justRawString start=/'''/ end=/'''/
 syn region justString start=/"/ skip=/\\\\\|\\"/ end=/"/ contains=justLineContinuation,justStringEscapeSequence
 syn region justString start=/"""/ skip=/\\\\\|\\"/ end=/"""/ contains=justLineContinuation,justStringEscapeSequence
+
+syn cluster justStringLiterals contains=justRawString,justString
 syn cluster justAllStrings contains=justBacktick,justRawString,justString
 
 syn match justRegexReplacement /\v,%(\_s|\\\n)*%('\_[^']*'|'''%(\_.%(''')@!)*\_.?''')%(\_s|\\\n)*\)/me=e-1 transparent contained contains=@justExpr,@justStringsWithRegexCapture
@@ -59,12 +61,15 @@ syn match justRecipeColon ":" contained
 
 syn region justRecipeAttributes
    \ matchgroup=justRecipeAttr start='\v^%(\\\n)@3<!\[' end='\V]'
-   \ contains=justRecipeAttr,justRecipeAttrSep
+   \ contains=justRecipeAttr,justRecipeAttrSep,justRecipeAttrArgs,justRecipeAttrArgError
 
 syn keyword justRecipeAttr
    \ confirm linux macos no-cd no-exit-message no-quiet private unix windows
    \ contained
 syn match justRecipeAttrSep ',' contained
+syn region justRecipeAttrArgs matchgroup=justRecipeAttr start='\V(' end='\V)' contained
+   \ contains=@justStringLiterals
+syn match justRecipeAttrArgError '\v\(%(\s|\\?\n)*\)' contained
 
 syn match justRecipeDeclSimple "\v^\@?\h\k*%(%(\s|\\\n)*:\=@!)@="
    \ transparent contains=justRecipeName
@@ -145,7 +150,7 @@ syn match justShellSet
 syn region justShellSetValue
    \ start='\V[' end='\V]'
    \ contained
-   \ contains=justString,justRawString,justShellSetError
+   \ contains=@justStringLiterals,justShellSetError
 
 syn match justShellSetError '\v\k+' contained
 
@@ -166,7 +171,7 @@ syn region justConditionalBraces start="\v\{\{@!" end="\v\}@=" transparent conta
 syn region justConditionalBracesInInterp start="\v\{\{@!" end="\v\}@=" transparent contained contains=@justExprInInterp
 
 syn match justLineLeadingSymbol "\v^%(\\\n)@3<!\s+\zs%(\@-|-\@|\@|-)"
-syn match justLineContinuation "\\$" containedin=ALLBUT,justComment,justShebang,@justRawStrings,justPreBodyCommentError
+syn match justLineContinuation "\\$" containedin=ALLBUT,justComment,justShebang,@justRawStrings,justPreBodyCommentError,justRecipeAttrArgError
 
 syn region justBody
    \ start=/\v^\z( +|\t+)%(#!)@!\S/
@@ -282,6 +287,7 @@ hi def link justRawString             String
 hi def link justRawStrRegexRepl       String
 hi def link justRecipeAt              Special
 hi def link justRecipeAttr            Type
+hi def link justRecipeAttrArgError    Error
 hi def link justRecipeAttrSep         Operator
 hi def link justRecipeColon           Operator
 hi def link justRecipeDepParamsParen  Delimiter
diff --git a/tests/cases/invalid.html b/tests/cases/invalid.html
index 33ec4bc..eac1d8e 100644
--- a/tests/cases/invalid.html
+++ b/tests/cases/invalid.html
@@ -83,3 +83,19 @@
 <span class="String">value</span>
 <span class="String">'''</span> <span class="Error">param1</span>  <span class="Statement">+</span> <span class="Statement">$</span> <span class="Identifier">param2</span><span class="Operator">:</span>
 <span class="Number">	env</span>
+
+<span class="Type">[confirm</span><span class="Error">()</span><span class="Type">]</span>
+<span class="Function">argless-attribute1</span><span class="Operator">:</span>
+<span class="Number">	/bin/false</span>
+
+<span class="Type">[confirm</span><span class="Error">(  )</span><span class="Type">]</span>
+<span class="Function">argless-attribute2</span><span class="Operator">:</span>
+<span class="Number">	/bin/false</span>
+
+<span class="Type">[confirm</span>  <span class="Special">\</span>
+  <span class="Error">(</span>
+<span class="Error">   </span>
+<span class="Error">  \</span>
+<span class="Error">)</span> <span class="Type">]</span>
+<span class="Function">argless-attribute3</span><span class="Operator">:</span>
+<span class="Number">	/bin/false</span>
diff --git a/tests/cases/invalid.just b/tests/cases/invalid.just
index 98be678..036b379 100644
--- a/tests/cases/invalid.just
+++ b/tests/cases/invalid.just
@@ -83,3 +83,19 @@ non-default-param-after-default4 param0='''
 value
 ''' param1  + $ param2:
 	env
+
+[confirm()]
+argless-attribute1:
+	/bin/false
+
+[confirm(  )]
+argless-attribute2:
+	/bin/false
+
+[confirm  \
+  (
+   
+  \
+) ]
+argless-attribute3:
+	/bin/false
diff --git a/tests/cases/recipes-with-extras.html b/tests/cases/recipes-with-extras.html
index b474fc7..93b378e 100644
--- a/tests/cases/recipes-with-extras.html
+++ b/tests/cases/recipes-with-extras.html
@@ -63,6 +63,29 @@
 <span class="Function">multiline-attr-no-continuations</span><span class="Operator">:</span>
 <span class="Number">	/bin/true</span>
 
+
+<span class="Type">[confirm(</span><span class="String">"confirm2: Are you sure?"</span><span class="Type">)]</span>
+<span class="Function">confirm2</span><span class="Operator">:</span>
+<span class="Number">	python3 -c pass</span>
+
+<span class="Type">[confirm</span> <span class="Type">(</span>
+  <span class="String">'''</span>
+<span class="String">  confirm3: Are you sure?'''</span> <span class="Special">\</span>
+<span class="Type">)</span>
+ <span class="Type">]</span>
+<span class="Function">confirm3</span><span class="Operator">:</span>
+<span class="Number">	python3 -c pass</span>
+
+<span class="Type">[confirm</span>  <span class="Special">\</span>
+  <span class="Type">(</span> <span class="Special">\</span>
+<span class="String">"</span>
+<span class="String">confirm4: Are you sure? [y/N]</span>
+<span class="String">&gt;"</span>
+<span class="Type">)]</span>
+<span class="Function">confirm4</span><span class="Operator">:</span>
+<span class="Number">	python3 -c pass</span>
+
+
 somevar <span class="Operator">:=</span> <span class="String">"1"</span>
 <span class="Function">interp_with_func_with_arg</span> <span class="Identifier">foo</span><span class="Operator">:</span>
 <span class="Number">	echo </span><span class="Delimiter">{{</span><span class="Function">quote</span><span class="Normal">(</span><span class="Identifier">foo</span><span class="Normal">)</span><span class="Delimiter">}}</span>
diff --git a/tests/cases/recipes-with-extras.just b/tests/cases/recipes-with-extras.just
index 4deed58..35e56b4 100644
--- a/tests/cases/recipes-with-extras.just
+++ b/tests/cases/recipes-with-extras.just
@@ -63,6 +63,29 @@ runpwd_then_error:
 multiline-attr-no-continuations:
 	/bin/true
 
+
+[confirm("confirm2: Are you sure?")]
+confirm2:
+	python3 -c pass
+
+[confirm (
+  '''
+  confirm3: Are you sure?''' \
+)
+ ]
+confirm3:
+	python3 -c pass
+
+[confirm  \
+  ( \
+"
+confirm4: Are you sure? [y/N]
+>"
+)]
+confirm4:
+	python3 -c pass
+
+
 somevar := "1"
 interp_with_func_with_arg foo:
 	echo {{quote(foo)}}