diff --git a/src/system/boot/arch/arm/arch_mmu.cpp b/src/system/boot/arch/arm/arch_mmu.cpp
index fe35bc76e8..d4c5450ed2 100644
--- a/src/system/boot/arch/arm/arch_mmu.cpp
+++ b/src/system/boot/arch/arm/arch_mmu.cpp
@@ -30,7 +30,7 @@ extern "C" {
 };
 
 
-//#define TRACE_MMU
+#define TRACE_MMU
 #ifdef TRACE_MMU
 #	define TRACE(x) dprintf x
 #else