diff --git a/ext/phashion_ext/phashion_ext.c b/ext/phashion_ext/phashion_ext.c
index 754e210..e2b79cb 100644
--- a/ext/phashion_ext/phashion_ext.c
+++ b/ext/phashion_ext/phashion_ext.c
@@ -220,7 +220,7 @@ static void hamming_distance(sqlite3_context * ctx, int agc, sqlite3_value **arg
   sqlite3_result_int(ctx, result);
 }
 
-int sqlite3_phashionext_init(
+int sqlite3_extension_init(
   sqlite3 *db,
   char **pzErrMsg,
   const sqlite3_api_routines *pApi