diff --git a/headers/private/kernel/arch/ppc/arch_debug.h b/headers/private/kernel/arch/ppc/arch_debug.h
index 745874dce1..f4ff5ee856 100644
--- a/headers/private/kernel/arch/ppc/arch_debug.h
+++ b/headers/private/kernel/arch/ppc/arch_debug.h
@@ -10,6 +10,7 @@
 
 
 struct arch_debug_registers {
+	addr_t r1;
 };
 
 
diff --git a/src/system/kernel/arch/ppc/arch_debug.cpp b/src/system/kernel/arch/ppc/arch_debug.cpp
index dc7179ab46..0080111f97 100644
--- a/src/system/kernel/arch/ppc/arch_debug.cpp
+++ b/src/system/kernel/arch/ppc/arch_debug.cpp
@@ -258,6 +258,9 @@ return 0;
 void
 arch_debug_save_registers(struct arch_debug_registers* registers)
 {
+	// get the caller's frame pointer
+	stack_frame* frame = (stack_frame*)get_current_stack_frame();
+	registers->r1 = (addr_t)frame->previous;
 }