diff --git a/libs/win32/openssl/ssleay32.2010.vcxproj b/libs/win32/openssl/ssleay32.2010.vcxproj
index 12410c43ef..7c16015d6d 100644
--- a/libs/win32/openssl/ssleay32.2010.vcxproj
+++ b/libs/win32/openssl/ssleay32.2010.vcxproj
@@ -96,6 +96,7 @@
       <WarningLevel>Level3</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <DisableSpecificWarnings>4244</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <AdditionalLibraryDirectories>$(ProjectDir)$(Configuration);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
@@ -123,6 +124,7 @@
       <WarningLevel>Level3</WarningLevel>
       <TreatWarningAsError>true</TreatWarningAsError>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <DisableSpecificWarnings>4244</DisableSpecificWarnings>
     </ClCompile>
     <Link>
       <AdditionalLibraryDirectories>$(ProjectDir)$(Configuration);%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>