diff --git a/libctru/include/3ds/svc.h b/libctru/include/3ds/svc.h
index 08a25ab..9d41ec2 100644
--- a/libctru/include/3ds/svc.h
+++ b/libctru/include/3ds/svc.h
@@ -234,5 +234,6 @@ Result svcGetProcessList(s32* processCount, u32* processIds, s32 processIdMaxCou
 Result svcReadProcessMemory(void* buffer, Handle debug, u32 addr, u32 size);
 Result svcMapProcessMemory(Handle process, u32 startAddr, u32 endAddr);
 Result svcUnmapProcessMemory(Handle process, u32 startAddr, u32 endAddr);
+Result svcBackdoor(s32 (*callback)(void));
 Result svcQueryProcessMemory(MemInfo* info, PageInfo* out, Handle process, u32 addr);
 s32 svcGetProcessorID();
diff --git a/libctru/source/svc.s b/libctru/source/svc.s
index 534a944..8e0fb7b 100644
--- a/libctru/source/svc.s
+++ b/libctru/source/svc.s
@@ -373,6 +373,12 @@ svcUnmapProcessMemory:
 	svc 0x72
 	bx lr
 
+.global svcBackdoor
+.type svcBackdoor, %function
+svcBackdoor:
+    svc 0x7B
+    bx lr
+
 .global svcQueryProcessMemory
 .type svcQueryProcessMemory, %function
 svcQueryProcessMemory: