diff --git a/qtinterface/tqt.h.cmake b/qtinterface/tqt.h.cmake
index 4d382d7..9b84bc1 100644
--- a/qtinterface/tqt.h.cmake
+++ b/qtinterface/tqt.h.cmake
@@ -45,6 +45,13 @@ Boston, MA 02110-1301, USA.
 #endif /* __cplusplus */
 
 #ifdef USE_QT3
+
+#include <qglobal.h>
+
+#ifdef QT_NO_SQL
+#define TQT_NO_SQL
+#endif // QT_NO_SQL
+
 #define TQ_OBJECT		/* UNUSED */
 
 #define TQWIDGETSIZE_MAX		QWIDGETSIZE_MAX