diff --git a/experimental/plugins/postgres_storage/src/postgres_storage.rs b/experimental/plugins/postgres_storage/src/postgres_storage.rs
index 8b693d5b97..14e9b18ff4 100644
--- a/experimental/plugins/postgres_storage/src/postgres_storage.rs
+++ b/experimental/plugins/postgres_storage/src/postgres_storage.rs
@@ -196,7 +196,7 @@ const _CREATE_SCHEMA_MULTI: [&str; 14] = [
             ON UPDATE CASCADE
     )",
     "CREATE INDEX IF NOT EXISTS ix_tags_encrypted_name ON tags_encrypted(wallet_id, name)",
-    "CREATE INDEX IF NOT EXISTS ix_tags_encrypted_value ON tags_encrypted(wallet_id, value)",
+    "CREATE INDEX IF NOT EXISTS ix_tags_encrypted_value ON tags_encrypted(wallet_id, md5(value))",
     "CREATE INDEX IF NOT EXISTS ix_tags_encrypted_wallet_id_item_id ON tags_encrypted(wallet_id, item_id)",
     "CREATE TABLE IF NOT EXISTS tags_plaintext(
         wallet_id VARCHAR(64) NOT NULL,