diff --git a/testapi.c b/testapi.c
index c7a5b163..db968cd9 100644
--- a/testapi.c
+++ b/testapi.c
@@ -142,6 +142,7 @@ int main(int argc, char **argv) {
     LIBXML_TEST_VERSION
 
     xmlSetStructuredErrorFunc(NULL, structured_errors);
+    xmlSetExternalEntityLoader(xmlNoNetExternalEntityLoader);
 
     if (argc >= 2) {
         if (!strcmp(argv[1], "-q")) {