diff --git a/src/epanet2.def b/build/WinSDK/epanet2.def
similarity index 100%
rename from src/epanet2.def
rename to build/WinSDK/epanet2.def
diff --git a/build/WinSDK/win_make.bat b/build/WinSDK/win_make.bat
index 321dd7f..cdfd45b 100644
--- a/build/WinSDK/win_make.bat
+++ b/build/WinSDK/win_make.bat
@@ -11,7 +11,7 @@ del %SRC_PATH%\*.exe
 
 rem : do the magic ...
   rem : creat EPANET2.DLL
-  cl -o epanet2.dll epanet.c hash.c hydraul.c inpfile.c input1.c input2.c input3.c mempool.c output.c quality.c report.c rules.c smatrix.c /I ..\include /I ..\run /link /DLL /def:epanet2.def /MAP
+  cl -o epanet2.dll epanet.c hash.c hydraul.c inpfile.c input1.c input2.c input3.c mempool.c output.c quality.c report.c rules.c smatrix.c /I ..\include /I ..\run /link /DLL /def:..\build\winsdk\epanet2.def /MAP
   rem : creat EPANET2.EXE
   cl -o epanet2.exe epanet.c ..\run\main.c hash.c hydraul.c inpfile.c input1.c input2.c input3.c mempool.c output.c quality.c report.c rules.c smatrix.c /I ..\include /I ..\run /I ..\src /link
 
@@ -19,4 +19,4 @@ rem : a bit of housekeeping and cleaning
 del %SRC_PATH%\*.obj
 del %SRC_PATH%\*.exp
 del %SRC_PATH%\*.lib
-del %SRC_PATH%\*.map
+del %SRC_PATH%\*.map
\ No newline at end of file