diff --git a/build/libraries/pxi/common/pxi_firm.c b/build/libraries/pxi/common/pxi_firm.c
index 6d227c59..156662b2 100644
--- a/build/libraries/pxi/common/pxi_firm.c
+++ b/build/libraries/pxi/common/pxi_firm.c
@@ -123,6 +123,12 @@ void PXI_InitFIRM(void)
     {
     }
 #endif
+#ifdef SDK_ARM9
+    PXIi_WaitIDByIntf( FIRM_PXI_ID_INIT_ARM7 );
+#else
+    PXIi_SendIDByIntf( FIRM_PXI_ID_INIT_ARM7 );
+#endif
+
 }
 
 /*---------------------------------------------------------------------------*