diff --git a/dust3d.pro b/dust3d.pro
index 3664a929..f1308e95 100644
--- a/dust3d.pro
+++ b/dust3d.pro
@@ -490,11 +490,16 @@ SOURCES += src/main.cpp
 
 HEADERS += src/version.h
 
-INCLUDEPATH += thirdparty/QuadriFlow
+INCLUDEPATH += thirdparty/QuadriFlow/src
 INCLUDEPATH += thirdparty/QuadriFlow/3rd/pcg32
 INCLUDEPATH += thirdparty/QuadriFlow/3rd/pss
 INCLUDEPATH += thirdparty/QuadriFlow/3rd/lemon-1.3.1
 
+win32 {
+#   Fix error LNK2001: unresolved external symbol "struct lemon::Invalid const lemon::INVALID" (?INVALID@lemon@@3UInvalid@1@B)
+	DEFINES += LEMON_ONLY_TEMPLATES
+}
+
 SOURCES += thirdparty/QuadriFlow/src/adjacent-matrix.cpp
 HEADERS += thirdparty/QuadriFlow/src/adjacent-matrix.hpp
 
diff --git a/thirdparty/QuadriFlow/src/config.hpp b/thirdparty/QuadriFlow/src/config.hpp
index 63b7b542..31284dc1 100755
--- a/thirdparty/QuadriFlow/src/config.hpp
+++ b/thirdparty/QuadriFlow/src/config.hpp
@@ -32,6 +32,7 @@ unsigned long long inline GetCurrentTime64() {
 } // namespace qflow
 
 // The following make_unique is to fix CXX14 in CXX11
+#ifndef _WIN32
 #include <memory>
 namespace std {
 template<typename T, typename... Args>
@@ -40,5 +41,6 @@ std::unique_ptr<T> make_unique(Args&&... args)
     return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
 }
 }
+#endif
 
 #endif