diff --git a/src/libFLAC/libFLAC_dynamic.vcxproj b/src/libFLAC/libFLAC_dynamic.vcxproj
index 6dab4b45..714eaa83 100644
--- a/src/libFLAC/libFLAC_dynamic.vcxproj
+++ b/src/libFLAC/libFLAC_dynamic.vcxproj
@@ -104,7 +104,7 @@
       <AdditionalOptions>/D "_USE_MATH_DEFINES" %(AdditionalOptions)</AdditionalOptions>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>.\include;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;FLAC_API_EXPORTS;FLAC__HAS_OGG;FLAC__CPU_X86_64;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION="1.3.1";DEBUG;FLAC__OVERFLOW_DETECT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;FLAC_API_EXPORTS;FLAC__HAS_OGG;ENABLE_64_BIT_WORDS;FLAC__CPU_X86_64;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION="1.3.1";DEBUG;FLAC__OVERFLOW_DETECT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <WarningLevel>Level3</WarningLevel>
@@ -155,7 +155,7 @@
       <OmitFramePointers>true</OmitFramePointers>
       <WholeProgramOptimization>true</WholeProgramOptimization>
       <AdditionalIncludeDirectories>.\include;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;FLAC_API_EXPORTS;FLAC__HAS_OGG;FLAC__CPU_X86_64;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION="1.3.1";FLaC__INLINE=_inline;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;FLAC_API_EXPORTS;FLAC__HAS_OGG;ENABLE_64_BIT_WORDS;FLAC__CPU_X86_64;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION="1.3.1";FLaC__INLINE=_inline;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <WarningLevel>Level3</WarningLevel>
diff --git a/src/libFLAC/libFLAC_static.vcxproj b/src/libFLAC/libFLAC_static.vcxproj
index 78c03e69..b2457f92 100644
--- a/src/libFLAC/libFLAC_static.vcxproj
+++ b/src/libFLAC/libFLAC_static.vcxproj
@@ -89,7 +89,7 @@
       <AdditionalOptions>/D "_USE_MATH_DEFINES" %(AdditionalOptions)</AdditionalOptions>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>.\include;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;FLAC__HAS_OGG;FLAC__CPU_X86_64;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION="1.3.1";FLAC__NO_DLL;DEBUG;FLAC__OVERFLOW_DETECT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_LIB;FLAC__HAS_OGG;ENABLE_64_BIT_WORDS;FLAC__CPU_X86_64;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION="1.3.1";FLAC__NO_DLL;DEBUG;FLAC__OVERFLOW_DETECT;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <WarningLevel>Level3</WarningLevel>
@@ -124,7 +124,7 @@
       <OmitFramePointers>true</OmitFramePointers>
       <WholeProgramOptimization>true</WholeProgramOptimization>
       <AdditionalIncludeDirectories>.\include;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;FLAC__HAS_OGG;FLAC__CPU_X86_64;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION="1.3.1";FLAC__NO_DLL;FLaC__INLINE=_inline;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_LIB;FLAC__HAS_OGG;ENABLE_64_BIT_WORDS;FLAC__CPU_X86_64;FLAC__HAS_X86INTRIN;FLAC__ALIGN_MALLOC_DATA;VERSION="1.3.1";FLAC__NO_DLL;FLaC__INLINE=_inline;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <WarningLevel>Level3</WarningLevel>
diff --git a/src/test_libFLAC/test_libFLAC.vcxproj b/src/test_libFLAC/test_libFLAC.vcxproj
index 052c9d99..0cb431ba 100644
--- a/src/test_libFLAC/test_libFLAC.vcxproj
+++ b/src/test_libFLAC/test_libFLAC.vcxproj
@@ -98,7 +98,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>.;..\libFLAC\include;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;FLAC__NO_DLL;DEBUG;CPU_IS_LITTLE_ENDIAN=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;FLAC__NO_DLL;DEBUG;ENABLE_64_BIT_WORDS;CPU_IS_LITTLE_ENDIAN=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <WarningLevel>Level3</WarningLevel>
@@ -146,7 +146,7 @@
       <OmitFramePointers>true</OmitFramePointers>
       <WholeProgramOptimization>true</WholeProgramOptimization>
       <AdditionalIncludeDirectories>.;..\libFLAC\include;..\..\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;FLAC__NO_DLL;CPU_IS_LITTLE_ENDIAN=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;FLAC__NO_DLL;ENABLE_64_BIT_WORDS;CPU_IS_LITTLE_ENDIAN=1;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
       <BufferSecurityCheck>false</BufferSecurityCheck>
       <WarningLevel>Level3</WarningLevel>