diff -r 52afa2dec4fb -r d1359cbfa28a modbus/modbus.py
--- a/modbus/modbus.py	Thu Aug 16 16:29:06 2018 +0300
+++ b/modbus/modbus.py	Mon Aug 20 15:17:24 2018 +0300
@@ -788,7 +788,7 @@
 
         LDFLAGS = []
         LDFLAGS.append(" \"-L" + ModbusPath + "\"")
-        LDFLAGS.append(" -lmb ")
+        LDFLAGS.append(os.path.join(ModbusPath, "libmb.a"))
         LDFLAGS.append(" \"-Wl,-rpath," + ModbusPath + "\"")
         # LDFLAGS.append("\"" + os.path.join(ModbusPath, "mb_slave_and_master.o") + "\"")
         # LDFLAGS.append("\"" + os.path.join(ModbusPath, "mb_slave.o") + "\"")