diff --git a/FL/fl_ask.H b/FL/fl_ask.H
index c0a134865..3ddc3d33a 100644
--- a/FL/fl_ask.H
+++ b/FL/fl_ask.H
@@ -43,6 +43,9 @@ enum {
 
 #  ifdef __GNUC__
 #    define __fl_attr(x) __attribute__ (x)
+#    if __GNUC__ < 3
+#      define __deprecated__
+#    endif // __GNUC__ < 3
 #  else
 #    define __fl_attr(x)
 #  endif // __GNUC__