diff --git a/internal/lsp/source/references.go b/internal/lsp/source/references.go
index 0b199e68..5cbb4429 100644
--- a/internal/lsp/source/references.go
+++ b/internal/lsp/source/references.go
@@ -56,8 +56,7 @@ func (i *IdentifierInfo) References(ctx context.Context) ([]*ReferenceInfo, erro
 			return nil, fmt.Errorf("package %s has no types info", pkg.PkgPath())
 		}
 		for ident, obj := range info.Defs {
-			// TODO(suzmue): support the case where an identifier may have two different declarations.
-			if obj == nil || obj.Pos() != i.decl.obj.Pos() {
+			if obj == nil || !sameObj(obj, i.decl.obj) {
 				continue
 			}
 			// Add the declarations at the beginning of the references list.
@@ -70,7 +69,7 @@ func (i *IdentifierInfo) References(ctx context.Context) ([]*ReferenceInfo, erro
 			}}, references...)
 		}
 		for ident, obj := range info.Uses {
-			if obj == nil || obj.Pos() != i.decl.obj.Pos() {
+			if obj == nil || !sameObj(obj, i.decl.obj) {
 				continue
 			}
 			references = append(references, &ReferenceInfo{
@@ -85,3 +84,11 @@ func (i *IdentifierInfo) References(ctx context.Context) ([]*ReferenceInfo, erro
 
 	return references, nil
 }
+
+// sameObj returns true if obj is the same as declObj.
+// Objects are the same if they have the some Pos and Name.
+func sameObj(obj, declObj types.Object) bool {
+	// TODO(suzmue): support the case where an identifier may have two different
+	// declaration positions.
+	return obj.Pos() == declObj.Pos() && obj.Name() == declObj.Name()
+}
diff --git a/internal/lsp/testdata/references/refs.go b/internal/lsp/testdata/references/refs.go
new file mode 100644
index 00000000..89219c2b
--- /dev/null
+++ b/internal/lsp/testdata/references/refs.go
@@ -0,0 +1,11 @@
+package refs
+
+type i int //@mark(typeInt, "int"),refs("int", typeInt, argInt, returnInt)
+
+func _(_ int) []bool { //@mark(argInt, "int")
+	return nil
+}
+
+func _(_ string) int { //@mark(returnInt, "int")
+	return 0
+}
diff --git a/internal/lsp/tests/tests.go b/internal/lsp/tests/tests.go
index 196026f4..030b2bde 100644
--- a/internal/lsp/tests/tests.go
+++ b/internal/lsp/tests/tests.go
@@ -33,7 +33,7 @@ const (
 	ExpectedDefinitionsCount       = 38
 	ExpectedTypeDefinitionsCount   = 2
 	ExpectedHighlightsCount        = 2
-	ExpectedReferencesCount        = 4
+	ExpectedReferencesCount        = 5
 	ExpectedRenamesCount           = 13
 	ExpectedSymbolsCount           = 1
 	ExpectedSignaturesCount        = 21