diff --git a/src/include/vortex_extension.hpp b/src/include/vortex_extension.hpp
index fc34e42..b98f13c 100644
--- a/src/include/vortex_extension.hpp
+++ b/src/include/vortex_extension.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "duckdb.hpp"
+#include "vortex.h"
 
 // The entry point class API can't be scoped to the vortex namespace.
 
diff --git a/src/vortex_extension.cpp b/src/vortex_extension.cpp
index 19edace..223c6df 100644
--- a/src/vortex_extension.cpp
+++ b/src/vortex_extension.cpp
@@ -1,7 +1,6 @@
 #define DUCKDB_EXTENSION_MAIN
 
 #include "vortex_extension.hpp"
-#include "vortex.h"
 
 using namespace duckdb;