diff --git a/ml_metadata/metadata_store/sqlite_metadata_source.cc b/ml_metadata/metadata_store/sqlite_metadata_source.cc
index fa3482453..7c1fb2e1f 100644
--- a/ml_metadata/metadata_store/sqlite_metadata_source.cc
+++ b/ml_metadata/metadata_store/sqlite_metadata_source.cc
@@ -174,7 +174,7 @@ absl::Status SqliteMetadataSource::RollbackImpl() {
 }
 
 std::string SqliteMetadataSource::EscapeString(absl::string_view value) const {
-  return SqliteEscapeString(value);
+  return absl::StrCat("'", SqliteEscapeString(value), "'");
 }
 
 std::string SqliteMetadataSource::EncodeBytes(absl::string_view value) const {