Index: clang-tidy/modernize/UseEqualsDefaultCheck.cpp
===================================================================
--- clang-tidy/modernize/UseEqualsDefaultCheck.cpp
+++ clang-tidy/modernize/UseEqualsDefaultCheck.cpp
@@ -97,6 +97,7 @@
                 isMemberInitializer(), forField(equalsNode(Field)),
                 withInitializer(anyOf(
                     AccessToFieldInParam,
+                    initListExpr(has(AccessToFieldInParam)),
                     cxxConstructExpr(allOf(
                         hasDeclaration(cxxConstructorDecl(isCopyConstructor())),
                         argumentCountIs(1),
Index: test/clang-tidy/modernize-use-equals-default-copy.cpp
===================================================================
--- test/clang-tidy/modernize-use-equals-default-copy.cpp
+++ test/clang-tidy/modernize-use-equals-default-copy.cpp
@@ -497,3 +497,11 @@
 STRUCT_WITH_COPY_ASSIGN(unsigned char, Hex8CopyAssign)
 // CHECK-MESSAGES: :[[@LINE-1]]:1: warning: use '= default' to define a trivial copy-assignment operator
 // CHECK-MESSAGES: :[[@LINE-9]]:40: note:
+
+// Use of braces
+struct UOB{
+  UOB(const UOB &Other):j{Other.j}{}
+  // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: use '= default' to define a trivial copy constructor [modernize-use-equals-default]
+  // CHECK-FIXES: UOB(const UOB &Other)= default;
+  int j;
+};