diff --git a/libs/win32/ffmpeg/ffmpeg.2017.vcxproj b/libs/win32/ffmpeg/ffmpeg.2017.vcxproj
index b985670dbe..0739c0f784 100644
--- a/libs/win32/ffmpeg/ffmpeg.2017.vcxproj
+++ b/libs/win32/ffmpeg/ffmpeg.2017.vcxproj
@@ -96,6 +96,7 @@
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       <OmitFramePointers>true</OmitFramePointers>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug-openh264|x64'">
@@ -114,6 +115,7 @@
       <DisableSpecificWarnings>4267;4334;4101;4018;4146;4244;4305;4554;%(DisableSpecificWarnings)</DisableSpecificWarnings>
       <OmitFramePointers>true</OmitFramePointers>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-x264|x64'">
@@ -132,6 +134,7 @@
       <OmitFramePointers>true</OmitFramePointers>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <Optimization>Full</Optimization>
+      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release-openh264|x64'">
@@ -150,6 +153,7 @@
       <OmitFramePointers>true</OmitFramePointers>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <Optimization>Full</Optimization>
+      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
   </ItemDefinitionGroup>
   <PropertyGroup Label="UserMacros" />