diff --git a/core/src/stored/reserve.cc b/core/src/stored/reserve.cc
index eec1ed5e58a..d74e5b24c43 100644
--- a/core/src/stored/reserve.cc
+++ b/core/src/stored/reserve.cc
@@ -649,11 +649,11 @@ static int ReserveDevice(ReserveContext& rctx)
         "chk AccessMode append=%d access_mode=%d\n",
         rctx.append, rctx.device_resource->access_mode);
   if (rctx.append && rctx.device_resource->access_mode == IODirection::READ) {
-	// Trying to write but access mode is readonly
+    // Trying to write but access mode is readonly
     return -1;
   } else if (!rctx.append && rctx.device_resource->access_mode == IODirection::WRITE) {
     // Trying to read but access mode is writeonly
-	return -1;
+    return -1;
   }
 
   // Make sure device_resource exists -- i.e. we can stat() it