diff --git a/crates/math-core/src/commands.rs b/crates/math-core/src/commands.rs
index 55890f0d..552625e5 100644
--- a/crates/math-core/src/commands.rs
+++ b/crates/math-core/src/commands.rs
@@ -206,7 +206,7 @@ static COMMANDS: phf::Map<&'static str, Token> = phf::phf_map! {
     "cdots" => CustomCmd(0, &predefined::CDOTS),
     "centerdot" => ForceBinaryOp(symbol::BULLET_OPERATOR.as_op()),
     "cfrac" => Frac(Some(FracAttr::CFracStyle)),
-    "check" => Accent(symbol::CARON, true, OpAttrs::STRETCHY_FALSE),
+    "check" => Accent(symbol::COMBINING_CARON, true, OpAttrs::STRETCHY_FALSE),
     "checkmark" => Letter('✓', Mode::Math),
     "chi" => Letter(symbol::GREEK_SMALL_LETTER_CHI, Mode::Math),
     "circ" => ForceBinaryOp(symbol::RING_OPERATOR.as_op()),
@@ -706,7 +706,7 @@ static COMMANDS: phf::Map<&'static str, Token> = phf::phf_map! {
     "vert" => Ord(symbol::VERTICAL_LINE),
     "wedge" => BinaryOp(symbol::LOGICAL_AND),
     "wedgeq" => Relation(symbol::ESTIMATES), // from "stix"
-    "widecheck" => Accent(symbol::CARON, true, OpAttrs::empty()),
+    "widecheck" => Accent(symbol::CARON, true, OpAttrs::STRETCHY_TRUE),
     "widehat" => Accent(symbol::COMBINING_CIRCUMFLEX_ACCENT, true, OpAttrs::STRETCHY_TRUE),
     "wideparen" => OverUnderBrace(symbol::TOP_PARENTHESIS, true),
     "widetilde" => Accent(symbol::TILDE, true, OpAttrs::empty()),
diff --git a/crates/math-core/tests/snapshots/wiki_test__wiki007.snap b/crates/math-core/tests/snapshots/wiki_test__wiki007.snap
index df3c87d6..ad2b732c 100644
--- a/crates/math-core/tests/snapshots/wiki_test__wiki007.snap
+++ b/crates/math-core/tests/snapshots/wiki_test__wiki007.snap
@@ -5,7 +5,7 @@ expression: "\\check{a}, \\breve{a}, \\tilde{a}, \\bar{a}"
 <math>
     <mover accent="true">
         <mi>a</mi>
-        <mo stretchy="false">ˇ</mo>
+        <mo stretchy="false">̌</mo>
     </mover>
     <mo>,</mo>
     <mover accent="true">