diff --git a/tools/sjson.py b/tools/sjson.py
index 4e3483b2..8f32d36d 100755
--- a/tools/sjson.py
+++ b/tools/sjson.py
@@ -48,7 +48,10 @@ if ops.inout:
 g_data={}
 
 if ops._in:
-    g_data = json.load(open(ops._in))
+    try:
+        g_data = yaml.load(open(ops._in))
+    except:
+        g_data = json.load(open(ops._in))
 
 if ops.kj:
     (k, j) = ops.kj