diff --git a/tree/dataframe/inc/ROOT/RSqliteDS.hxx b/tree/dataframe/inc/ROOT/RSqliteDS.hxx
index 659b1d93dfcf600d73e51edee2400b43b658bc96..88736db180f772182c537f557a09535db38f8add 100644
--- a/tree/dataframe/inc/ROOT/RSqliteDS.hxx
+++ b/tree/dataframe/inc/ROOT/RSqliteDS.hxx
@@ -49,8 +49,8 @@ private:
 
    void SqliteError(int errcode);
 
-   struct sqlite3 *fDb;
-   struct sqlite3_stmt *fQuery;
+   sqlite3 *fDb;
+   sqlite3_stmt *fQuery;
    unsigned int fNSlots;
    ULong64_t fNRow;
    std::vector<std::string> fColumnNames;