diff --git a/drivers/misc/dev_mem.c b/drivers/misc/dev_mem.c
index acdd3d5b2f2..655c3a7772f 100644
--- a/drivers/misc/dev_mem.c
+++ b/drivers/misc/dev_mem.c
@@ -226,8 +226,7 @@ int devmem_register(void)
       kmm_free(region);
       return len;
     }
-#endif
-
+#else
   if (len + (4 - merge) > DEVMEM_REGION)
     {
       len = DEVMEM_REGION - (4 - merge);
@@ -250,6 +249,7 @@ int devmem_register(void)
       region[len].start = (uintptr_t)_sbss;
       region[len++].end = (uintptr_t)_ebss;
     }
+#endif
 
   /* register the new MEM driver */