diff --git a/workspace_tools/build_release.py b/workspace_tools/build_release.py
index 0b1bda5a84..99ab22f65c 100755
--- a/workspace_tools/build_release.py
+++ b/workspace_tools/build_release.py
@@ -38,7 +38,7 @@ OFFICIAL_MBED_LIBRARY_BUILD = (
     ('LPC1114',      ('uARM','GCC_ARM')),
     ('LPC11U35_401', ('ARM', 'uARM','GCC_ARM','GCC_CR')),
     ('LPC11U35_501', ('ARM', 'uARM','GCC_ARM','GCC_CR')),
-    ('LPC1549',      ('uARM',,'GCC_CR')),
+    ('LPC1549',      ('uARM','GCC_CR')),
 
     ('KL05Z',        ('ARM', 'uARM', 'GCC_ARM')),
     ('KL25Z',        ('ARM', 'GCC_ARM')),