diff --git a/geomagio/edge/MiniSeedInputClient.py b/geomagio/edge/MiniSeedInputClient.py
index 122b1eb4ec657b339e580a0d0025042bada5f680..cadd6b508adc7198f625809cb514dd7d8dcf730a 100644
--- a/geomagio/edge/MiniSeedInputClient.py
+++ b/geomagio/edge/MiniSeedInputClient.py
@@ -18,9 +18,10 @@ class MiniSeedInputClient(object):
         MiniSeedServer port
     """
 
-    def __init__(self, host, port=2061):
+    def __init__(self, host, port=2061, encoding="FLOAT32"):
         self.host = host
         self.port = port
+        self.encoding = encoding
         self.socket = None
 
     def close(self):
@@ -71,6 +72,6 @@ class MiniSeedInputClient(object):
             self.connect()
         # convert stream to miniseed
         buf = io.BytesIO()
-        stream.write(buf, format="MSEED", reclen=512)
+        stream.write(buf, encoding=self.encoding, format="MSEED", reclen=512)
         # send data
         self.socket.sendall(buf.getvalue())