diff --git a/xxxApp/src/Makefile b/xxxApp/src/Makefile
index 0b0faec6f6f6174cc10d4f0e567f1e5b00eeb956..372358fa78229219d3048bcbaa1446f1e8686ec6 100644
--- a/xxxApp/src/Makefile
+++ b/xxxApp/src/Makefile
@@ -121,7 +121,7 @@ endif
 
 ifdef MODBUS
 	xxx_Common_DBD += modbus.dbd modbusSupport.dbd
-	xxx_Common_LIBS := modbus
+	xxx_Common_LIBS := modbus $(xxx_Common_LIBS)
 endif
 
 ifdef MOTOR