diff --git a/src/parse_clang.cpp b/src/parse_clang.cpp
index 02c0a2d1..9891abdb 100644
--- a/src/parse_clang.cpp
+++ b/src/parse_clang.cpp
@@ -621,7 +621,7 @@ void ClangParser::start(const QString &fileName, const QString &fileBuffer, QStr
 
          // user provided clang headers
          if (clangUseHeaders) {
-            QString inc = "-I" + QCoreApplication::applicationDirPath() + "/include/10.0.1/include";
+            QString inc = "-I" + QCoreApplication::applicationDirPath() + "/include/18/include";
             argList.push_back(std::move(inc));
          }
 
diff --git a/src/parse_lib_tooling.cpp b/src/parse_lib_tooling.cpp
index 42e7e4bc..df07b970 100644
--- a/src/parse_lib_tooling.cpp
+++ b/src/parse_lib_tooling.cpp
@@ -696,7 +696,7 @@ class DoxyVisitor : public clang::RecursiveASTVisitor<DoxyVisitor>
                current->m_static = true;
             }
 
-            if (methodDecl->isPure())  {
+            if (methodDecl->isPureVirtual())  {
                returnType.prepend(" virtual ");
                current->virt = Specifier::Pure;