diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.2008.vcproj b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.2008.vcproj
index dd833185fe..e5d6b74e36 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.2008.vcproj
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.2008.vcproj
@@ -41,13 +41,13 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories=""C:\Program Files\libsng_isdn\include";"C:\Program Files\libsng_isdn\include\sng_isdn";../../include;"C:\Program Files\Sangoma\include""
-				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;FREETDM_EXPORTS;"
 				MinimalRebuild="true"
+				ExceptionHandling="0"
 				BasicRuntimeChecks="3"
-				RuntimeLibrary="3"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
-				Detect64BitPortabilityProblems="true"
+				Detect64BitPortabilityProblems="false"
 				DebugInformationFormat="4"
 			/>
 			<Tool
@@ -122,7 +122,7 @@
 				RuntimeLibrary="3"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
-				Detect64BitPortabilityProblems="true"
+				Detect64BitPortabilityProblems="false"
 				DebugInformationFormat="3"
 			/>
 			<Tool