diff --git a/builds/msvc/properties/DebugLIB.props b/builds/msvc/properties/DebugLIB.props
index 8c7a3086..c5f10128 100644
--- a/builds/msvc/properties/DebugLIB.props
+++ b/builds/msvc/properties/DebugLIB.props
@@ -12,6 +12,7 @@
   
   <ItemDefinitionGroup>
     <ClCompile>
+      <DebugInformationFormat>OldStyle</DebugInformationFormat>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
       <LinkIncremental>true</LinkIncremental>
     </ClCompile>
diff --git a/builds/msvc/properties/DebugLTCG.props b/builds/msvc/properties/DebugLTCG.props
index 8dafd5f4..42b22ffe 100644
--- a/builds/msvc/properties/DebugLTCG.props
+++ b/builds/msvc/properties/DebugLTCG.props
@@ -12,6 +12,7 @@
 
   <ItemDefinitionGroup>
     <ClCompile>
+      <DebugInformationFormat>OldStyle</DebugInformationFormat>
       <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
   </ItemDefinitionGroup>