diff --git a/bsp/imxrt1052-evk/SConstruct b/bsp/imxrt1052-evk/SConstruct
index 23d4762514..d99f2ded5b 100644
--- a/bsp/imxrt1052-evk/SConstruct
+++ b/bsp/imxrt1052-evk/SConstruct
@@ -6,7 +6,7 @@ import rtconfig
 if os.getenv('RTT_ROOT'):
     RTT_ROOT = os.getenv('RTT_ROOT')
 else:
-	RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
+    RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
 	
 sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
 from building import *