diff --git a/lib/cppcheck.vcxproj.filters b/lib/cppcheck.vcxproj.filters
index 09feb4a87..1b465925e 100644
--- a/lib/cppcheck.vcxproj.filters
+++ b/lib/cppcheck.vcxproj.filters
@@ -191,6 +191,9 @@
     <ClCompile Include="color.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="infer.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="checkbufferoverrun.h">
@@ -373,6 +376,9 @@
     <ClInclude Include="color.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="infer.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="version.rc" />
diff --git a/lib/infer.h b/lib/infer.h
index 44e0f713b..02ed2255e 100644
--- a/lib/infer.h
+++ b/lib/infer.h
@@ -47,7 +47,7 @@ std::vector<ValueFlow::Value> infer(const ValuePtr<InferModel>& model,
                                     std::list<ValueFlow::Value> lhsValues,
                                     MathLib::bigint rhs);
 
-std::vector<MathLib::bigint> getMinValue(const ValuePtr<InferModel>& model, const std::list<ValueFlow::Value>& values);
+CPPCHECKLIB std::vector<MathLib::bigint> getMinValue(const ValuePtr<InferModel>& model, const std::list<ValueFlow::Value>& values);
 std::vector<MathLib::bigint> getMaxValue(const ValuePtr<InferModel>& model, const std::list<ValueFlow::Value>& values);
 
 std::string toString(const Interval& i);
diff --git a/lib/valueflow.h b/lib/valueflow.h
index 78b36b4bb..b974435fe 100644
--- a/lib/valueflow.h
+++ b/lib/valueflow.h
@@ -493,7 +493,7 @@ const Token *parseCompareInt(const Token *tok, ValueFlow::Value &true_value, Val
 ValueFlow::Value inferCondition(std::string op, MathLib::bigint val, const Token* varTok);
 ValueFlow::Value inferCondition(const std::string& op, const Token* varTok, MathLib::bigint val);
 
-ValuePtr<InferModel> makeIntegralInferModel();
+CPPCHECKLIB ValuePtr<InferModel> makeIntegralInferModel();
 
 std::vector<LifetimeToken> getLifetimeTokens(const Token* tok,
                                              bool escape = false,