diff --git a/dev/buildbot/master/master.cfg b/dev/buildbot/master/master.cfg
index 4b039172..c3d08cbd 100644
--- a/dev/buildbot/master/master.cfg
+++ b/dev/buildbot/master/master.cfg
@@ -1132,7 +1132,7 @@ c['builders'].append(
       factory = cmake_slave('32BIT_STDCALL_SHARED_LIBRARY',
                             test = False,
                             platform = 'windows',
-                            cmake_args=['-DCOOLPROP_SHARED_LIBRARY=ON','-DCOOLPROP_STDCALL_LIBRARY=ON','-DCOOLPROP_LIBRARY_EXPORTS="CoolPropLib.def"',
+                            cmake_args=['-DCOOLPROP_SHARED_LIBRARY=ON','-DCOOLPROP_STDCALL_LIBRARY=ON','-DCOOLPROP_LIBRARY_EXPORTS="src/CoolPropLib.def"',
                             '-G','"Visual Studio 10 2010"'],
                             build_args = ['--config','Release']
       )