diff --git a/glib/tests/macros.c b/glib/tests/macros.c
index cbbc0f6de..97d5fcc26 100644
--- a/glib/tests/macros.c
+++ b/glib/tests/macros.c
@@ -26,10 +26,10 @@
 
 #if defined (__APPLE__) || defined (HAVE_COCOA) || defined (HAVE_CARBON)
 # ifndef G_OS_UNIX
-  G_STATIC_ASSERT (FALSE);
+  #error "G_OS_UNIX is not defined"
 # endif
 # ifndef G_OS_DARWIN
-  G_STATIC_ASSERT (FALSE);
+  #error "G_OS_DARWIN is not defined"
 # endif
 #endif