diff --git a/src/libFLAC/libFLAC_dynamic.vcproj b/src/libFLAC/libFLAC_dynamic.vcproj
index d372d34..debbb73 100644
--- a/src/libFLAC/libFLAC_dynamic.vcproj
+++ b/src/libFLAC/libFLAC_dynamic.vcproj
@@ -40,6 +40,7 @@
 				Name="VCCLCompilerTool"
 				AdditionalOptions="/D "_USE_MATH_DEFINES""
 				Optimization="0"
+				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories=".\include;..\..\include"
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;FLAC_API_EXPORTS;FLAC__HAS_OGG;FLAC__CPU_IA32;FLAC__HAS_NASM;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION=\"1.3.1\";DEBUG;FLAC__OVERFLOW_DETECT"
 				MinimalRebuild="true"
diff --git a/src/libFLAC/libFLAC_static.vcproj b/src/libFLAC/libFLAC_static.vcproj
index fe0ac58..32c80a7 100644
--- a/src/libFLAC/libFLAC_static.vcproj
+++ b/src/libFLAC/libFLAC_static.vcproj
@@ -40,6 +40,7 @@
 				Name="VCCLCompilerTool"
 				AdditionalOptions="/D "_USE_MATH_DEFINES""
 				Optimization="0"
+				EnableIntrinsicFunctions="true"
 				AdditionalIncludeDirectories=".\include;..\..\include"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;FLAC__HAS_OGG;FLAC__CPU_IA32;FLAC__HAS_NASM;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION=\"1.3.1\";FLAC__NO_DLL;DEBUG;FLAC__OVERFLOW_DETECT"
 				MinimalRebuild="true"