diff --git a/src/plugins/sqldrivers/oci/qsql_oci.cpp b/src/plugins/sqldrivers/oci/qsql_oci.cpp
index 1ee4e267294..a3be29cb387 100644
--- a/src/plugins/sqldrivers/oci/qsql_oci.cpp
+++ b/src/plugins/sqldrivers/oci/qsql_oci.cpp
@@ -1983,7 +1983,9 @@ bool QOCIResult::prepare(const QString& query)
 
     if (d->sql) {
         r = OCIHandleFree(d->sql, OCI_HTYPE_STMT);
-        if (r != OCI_SUCCESS)
+        if (r == OCI_SUCCESS)
+            d->sql = nullptr;
+        else
             qOraWarning("QOCIResult::prepare: unable to free statement handle:", d->err);
     }
     if (query.isEmpty())