diff --git a/src/syntax/parser.rs b/src/syntax/parser.rs
index 3b82ce168..05db42e10 100644
--- a/src/syntax/parser.rs
+++ b/src/syntax/parser.rs
@@ -412,10 +412,10 @@ fn math_class(text: &str) -> Option<MathClass> {
 fn math_op(kind: SyntaxKind) -> Option<(SyntaxKind, SyntaxKind, ast::Assoc, usize)> {
     match kind {
         SyntaxKind::Underscore => {
-            Some((SyntaxKind::MathAttach, SyntaxKind::Hat, ast::Assoc::Right, 3))
+            Some((SyntaxKind::MathAttach, SyntaxKind::Hat, ast::Assoc::Right, 2))
         }
         SyntaxKind::Hat => {
-            Some((SyntaxKind::MathAttach, SyntaxKind::Underscore, ast::Assoc::Right, 3))
+            Some((SyntaxKind::MathAttach, SyntaxKind::Underscore, ast::Assoc::Right, 2))
         }
         SyntaxKind::Slash => {
             Some((SyntaxKind::MathFrac, SyntaxKind::Eof, ast::Assoc::Left, 1))
diff --git a/tests/ref/compiler/highlight.png b/tests/ref/compiler/highlight.png
index 7f69fd6b2..ccbbc0560 100644
Binary files a/tests/ref/compiler/highlight.png and b/tests/ref/compiler/highlight.png differ
diff --git a/tests/ref/math/attach.png b/tests/ref/math/attach.png
index 9a32b64c1..ab93f25bf 100644
Binary files a/tests/ref/math/attach.png and b/tests/ref/math/attach.png differ
diff --git a/tests/typ/math/attach.typ b/tests/typ/math/attach.typ
index 3a4986863..f5f49627a 100644
--- a/tests/typ/math/attach.typ
+++ b/tests/typ/math/attach.typ
@@ -43,8 +43,8 @@ $
 
 ---
 // Test function call after subscript.
-$pi_1(Y), a_f(x), a^zeta(x) \
- a^subset.eq(x), a_(zeta(x)), pi_(1(Y))$
+$pi_1(Y), a_f(x), a^zeta (x), a^abs(b)_sqrt(c) \
+ a^subset.eq (x), a_(zeta(x)), pi_(1(Y)), a^(abs(b))_(sqrt(c))$
 
 ---
 // Test associativity and scaling.