diff --git a/packages/rtl-objpas/tests/testrunner.rtlobjpas.pp b/packages/rtl-objpas/tests/testrunner.rtlobjpas.pp
index 90ddc3b891..fc5d6a48d8 100644
--- a/packages/rtl-objpas/tests/testrunner.rtlobjpas.pp
+++ b/packages/rtl-objpas/tests/testrunner.rtlobjpas.pp
@@ -8,6 +8,8 @@ program testrunner.rtlobjpas;
 {.$define useffi}
 {$if defined(CPUX64) and defined(WINDOWS)}
 {$define testinvoke}
+{$elseif defined(CPUI386)}
+{$define testinvoke}
 {$else}
 {$ifdef useffi}
 {$define testinvoke}