diff --git a/libctru/include/3ds/services/soc.h b/libctru/include/3ds/services/soc.h
index 32fb909..0b34775 100644
--- a/libctru/include/3ds/services/soc.h
+++ b/libctru/include/3ds/services/soc.h
@@ -3,3 +3,5 @@
 Result SOC_Initialize(u32 *context_addr, u32 context_size);//Example context_size: 0x48000. The specified context buffer can no longer be accessed by the process which called this function, since the userland permissions for this block are set to no-access.
 Result SOC_Shutdown();
 int SOC_GetErrno();
+
+long gethostid();