diff --git a/build/msvc/portaudio.vcproj b/build/msvc/portaudio.vcproj
index 664b0c5..10d68e2 100644
--- a/build/msvc/portaudio.vcproj
+++ b/build/msvc/portaudio.vcproj
@@ -1324,44 +1324,8 @@
 					Name="wasapi"
 					>
 					<File
-						RelativePath="..\..\src\hostapi\wasapi\pa_win_wasapi.cpp"
+						RelativePath="..\..\src\hostapi\wasapi\pa_win_wasapi.c"
 						>
-						<FileConfiguration
-							Name="Release|Win32"
-							>
-							<Tool
-								Name="VCCLCompilerTool"
-								AdditionalIncludeDirectories=""
-								PreprocessorDefinitions=""
-							/>
-						</FileConfiguration>
-						<FileConfiguration
-							Name="Release|x64"
-							>
-							<Tool
-								Name="VCCLCompilerTool"
-								AdditionalIncludeDirectories=""
-								PreprocessorDefinitions=""
-							/>
-						</FileConfiguration>
-						<FileConfiguration
-							Name="Debug|Win32"
-							>
-							<Tool
-								Name="VCCLCompilerTool"
-								AdditionalIncludeDirectories=""
-								PreprocessorDefinitions=""
-							/>
-						</FileConfiguration>
-						<FileConfiguration
-							Name="Debug|x64"
-							>
-							<Tool
-								Name="VCCLCompilerTool"
-								AdditionalIncludeDirectories=""
-								PreprocessorDefinitions=""
-							/>
-						</FileConfiguration>
 					</File>
 				</Filter>
 			</Filter>