diff --git a/build.py b/build.py
index 28ad55a9e5a3b1a222851d6253149f04734da967..b68ad5d4b15c52acba9bf1a82a70bad0238e215e 100644
--- a/build.py
+++ b/build.py
@@ -26,7 +26,7 @@ if __name__ == '__main__':
         os.system('mkdir '+dist_lp)
 
         # Load data
-        data = readin('src/'+lab_name+'.json', json.load, [{}])
+        data = readin('src/'+lab_name+'.json', json.loads, [{}])
 
         # Load text
         lab = readin(src_md, lambda x: x.decode('utf8'))