diff --git a/src/plugins/sqldrivers/psql/qsql_psql.cpp b/src/plugins/sqldrivers/psql/qsql_psql.cpp
index 3d6027048e7..dc7ea70a468 100644
--- a/src/plugins/sqldrivers/psql/qsql_psql.cpp
+++ b/src/plugins/sqldrivers/psql/qsql_psql.cpp
@@ -387,7 +387,7 @@ static QMetaType qDecodePSQLType(int t)
 
 void QPSQLResultPrivate::deallocatePreparedStmt()
 {
-    if (drv_d_func()) {
+    if (drv_d_func() && !preparedStmtId.isEmpty()) {
 #if defined(LIBPQ_HAS_CLOSE_PREPARED)
         PGresult *result = PQclosePrepared(drv_d_func()->connection, preparedStmtId.toUtf8());
 #else
@@ -416,8 +416,7 @@ QPSQLResult::~QPSQLResult()
     Q_D(QPSQLResult);
     cleanup();
 
-    if (d->preparedQueriesEnabled && !d->preparedStmtId.isNull())
-        d->deallocatePreparedStmt();
+    d->deallocatePreparedStmt();
 }
 
 QVariant QPSQLResult::handle() const
@@ -862,8 +861,7 @@ bool QPSQLResult::prepare(const QString &query)
 
     cleanup();
 
-    if (!d->preparedStmtId.isEmpty())
-        d->deallocatePreparedStmt();
+    d->deallocatePreparedStmt();
 
     const QString stmtId = qMakePreparedStmtId();
     PGresult *result = PQprepare(d->drv_d_func()->connection, stmtId.toUtf8(),