diff --git a/build/libraries/os/common/os_boot.c b/build/libraries/os/common/os_boot.c
index e65d66c8..136a17e8 100644
--- a/build/libraries/os/common/os_boot.c
+++ b/build/libraries/os/common/os_boot.c
@@ -147,7 +147,7 @@ BOOL OSi_FromBromToMenu( void )
             result = FALSE;
         }
     }
-#if SDK_ARM7
+#ifdef SDK_ARM7
     // copy nand context
     MI_CpuCopyFast( &fromBromBuf->SDNandContext, (void*)HW_SD_NAND_CONTEXT_BUF, sizeof(SDPortContextData) );
 #endif