diff --git a/workspace_tools/build_release.py b/workspace_tools/build_release.py
index a043e468a9..0431b0cbb3 100644
--- a/workspace_tools/build_release.py
+++ b/workspace_tools/build_release.py
@@ -120,7 +120,7 @@ OFFICIAL_MBED_LIBRARY_BUILD = (
 
     ('WIZWIKI_W7500',   ('ARM', 'uARM')),
     ('WIZWIKI_W7500P',('ARM', 'uARM')),
-	('WIZWIKI_W7500ECO',('ARM', 'uARM')),
+    ('WIZWIKI_W7500ECO',('ARM', 'uARM')),
 )
 
 
diff --git a/workspace_tools/targets.py b/workspace_tools/targets.py
index ce154a882a..78ebebfac7 100755
--- a/workspace_tools/targets.py
+++ b/workspace_tools/targets.py
@@ -1779,7 +1779,7 @@ TARGETS = [
     ### WIZnet ###
     WIZWIKI_W7500(),
     WIZWIKI_W7500P(),
-	WIZWIKI_W7500ECO(),
+    WIZWIKI_W7500ECO(),
 
     ### Atmel ###
     SAMR21G18A(),