Index: kernel/arch/amd64/src/mm/page.c
===================================================================
--- kernel/arch/amd64/src/mm/page.c	(revision e3038b41e1f6e1ef905bbc80916933e18d3e3008)
+++ kernel/arch/amd64/src/mm/page.c	(revision c15b37446cc540323e335d60ebc0166256615461)
@@ -90,5 +90,5 @@
 	if (as_page_fault(page, access, istate) == AS_PF_FAULT) {
 		fault_if_from_uspace(istate, "Page fault: %#x.", page);
-		panic_memtrap(istate, access, page, "Page fault.");
+		panic_memtrap(istate, access, page, NULL);
 	}
 }