diff --git a/sqlite-vec.c b/sqlite-vec.c
index e4db66e..ffaf5a2 100644
--- a/sqlite-vec.c
+++ b/sqlite-vec.c
@@ -15,8 +15,14 @@
 #include <stdio.h>
 #endif
 
+
+#ifndef SQLITE_CORE
 #include "sqlite3ext.h"
 SQLITE_EXTENSION_INIT1
+#else
+  #include "sqlite3.h"
+#endif
+
 
 #ifndef UINT32_TYPE
 #ifdef HAVE_UINT32_T
diff --git a/sqlite-vec.h.tmpl b/sqlite-vec.h.tmpl
index ca2f164..923453e 100644
--- a/sqlite-vec.h.tmpl
+++ b/sqlite-vec.h.tmpl
@@ -1,7 +1,11 @@
 #ifndef SQLITE_VEC_H
 #define SQLITE_VEC_H
 
+#ifndef SQLITE_CORE
 #include "sqlite3ext.h"
+#else
+#include "sqlite3.h"
+#endif
 
 #ifdef SQLITE_VEC_STATIC
   #define SQLITE_VEC_API