diff --git a/packages/babel-parser/src/parser/expression.js b/packages/babel-parser/src/parser/expression.js
index 0b6f374a2f78..143f30fa26d0 100644
--- a/packages/babel-parser/src/parser/expression.js
+++ b/packages/babel-parser/src/parser/expression.js
@@ -1787,7 +1787,7 @@ export default class ExpressionParser extends LValParser {
   }
 
   parsePropertyName(
-    prop: N.ObjectOrClassMember | N.TsNamedTypeElementBase,
+    prop: N.ObjectOrClassMember | N.ClassMember | N.TsNamedTypeElementBase,
     isPrivateNameAllowed: boolean,
   ): N.Expression | N.Identifier {
     if (this.eat(tt.bracketL)) {
diff --git a/packages/babel-parser/src/plugins/flow.js b/packages/babel-parser/src/plugins/flow.js
index 8e3a36fc6126..42f864a2069d 100644
--- a/packages/babel-parser/src/plugins/flow.js
+++ b/packages/babel-parser/src/plugins/flow.js
@@ -2265,7 +2265,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
     }
 
     parsePropertyName(
-      node: N.ObjectOrClassMember | N.TsNamedTypeElementBase,
+      node: N.ObjectOrClassMember | N.ClassMember | N.TsNamedTypeElementBase,
       isPrivateNameAllowed: boolean,
     ): N.Identifier {
       const variance = this.flowParseVariance();