diff --git a/label_unix.c b/label_unix.c
index ec6e5da0..ef3f5911 100644
--- a/label_unix.c
+++ b/label_unix.c
@@ -20,6 +20,9 @@ uiControl *uiNewLabel(const char *text)
 	c = uiUnixNewControl(GTK_TYPE_LABEL,
 		FALSE, FALSE,
 		"label", text,
+		// TODO TODO TODO TODO TODO
+		// the presence of this property leads to a segfault on 32-bit linux builds
+		// is it just this property? or is it more than one property at all? and why?
 		"xalign", 0,
 		// TODO yalign 0?
 		NULL);