diff --git a/cli/cli.vcxproj b/cli/cli.vcxproj
index 8646760bc..7f12fcce5 100644
--- a/cli/cli.vcxproj
+++ b/cli/cli.vcxproj
@@ -194,7 +194,7 @@
       <DisableSpecificWarnings>4018;4127;4146;4244;4251;4267;4389;4482;4512;4701;4706;4800;4805</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
-      <LanguageStandard>stdcpplatest</LanguageStandard>
+      <LanguageStandard>stdcpp14</LanguageStandard>
       <AdditionalOptions>/Zc:throwingNew /Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
@@ -245,7 +245,7 @@
       <DisableSpecificWarnings>4018;4127;4146;4244;4251;4267;4389;4482;4512;4701;4706;4800;4805</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
-      <LanguageStandard>stdcpplatest</LanguageStandard>
+      <LanguageStandard>stdcpp14</LanguageStandard>
       <AdditionalOptions>/Zc:throwingNew /Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
@@ -312,7 +312,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <AdditionalOptions>/Zc:throwingNew /Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
-      <LanguageStandard>stdcpplatest</LanguageStandard>
+      <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
       <AdditionalDependencies>shlwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
@@ -383,7 +383,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <AdditionalOptions>/Zc:throwingNew /Zc:__cplusplus %(AdditionalOptions)</AdditionalOptions>
       <EnforceTypeConversionRules>true</EnforceTypeConversionRules>
-      <LanguageStandard>stdcpplatest</LanguageStandard>
+      <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
       <AdditionalDependencies>shlwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
diff --git a/lib/smallvector.h b/lib/smallvector.h
index acdba2562..49d0c7be1 100644
--- a/lib/smallvector.h
+++ b/lib/smallvector.h
@@ -35,7 +35,7 @@ template<class T, std::size_t N>
 struct TaggedAllocator : std::allocator<T>
 {
     template<class ... Ts>
-    TaggedAllocator(Ts&&... ts)
+    explicit TaggedAllocator(Ts&&... ts)
         : std::allocator<T>(std::forward<Ts>(ts)...)
     {}
 };