diff --git a/src/QGLView.h b/src/QGLView.h
index 402a5d48..aaab8f57 100644
--- a/src/QGLView.h
+++ b/src/QGLView.h
@@ -40,7 +40,7 @@ public:
 		else this->cam.projection = Camera::PERSPECTIVE;
 	}
 	std::string getRendererInfo() const;
-#if QT_VERSION >= 0x050000
+#if QT_VERSION >= 0x050001
 	float getDPI() { return this->devicePixelRatio(); }
 #endif
 	bool save(const char *filename);