diff --git a/src/xpra/client/gtk_base/session_info.py b/src/xpra/client/gtk_base/session_info.py
index ffe9907a2f..f09fcd33f9 100644
--- a/src/xpra/client/gtk_base/session_info.py
+++ b/src/xpra/client/gtk_base/session_info.py
@@ -702,13 +702,13 @@ def set_sound_info(label, details, supported, prop):
         set_sound_info(self.microphone_label, None, self.client.microphone_enabled, self.client.sound_source)
 
         self.connection_type_label.set_text(c.info)
-        protocol_state = p.save_state()
-        level = protocol_state.get("compression_level")
-        if level==0:
-            compression_str = "None"
-        else:
-            compression_str = " + ".join([x for x in ("zlib", "lz4", "bz2", "bencode", "rencode", "yaml") if protocol_state.get(x, False)==True])
-            compression_str += ", level %s" % level
+        protocol_info = p.get_info()
+        encoder = protocol_info.get("encoder")
+        compression = protocol_info.get("compression")
+        level = protocol_info.get("compression_level", 0)
+        compression_str = encoder + " + "+compression
+        if level>0:
+            compression_str += " (level %s)" % level
         self.compression_label.set_text(compression_str)
 
         def enclabel(label, cipher):
diff --git a/src/xpra/scripts/main.py b/src/xpra/scripts/main.py
index d164b37f7f..cce5ce1d65 100755
--- a/src/xpra/scripts/main.py
+++ b/src/xpra/scripts/main.py
@@ -532,7 +532,7 @@ def parse_cmdline(cmdline):
         if "rgb32" not in options.encodings:
             options.encodings.append("rgb32")
 
-    #set network attributes:
+    #packet compression:
     from xpra.net import compression
     compressors = [x.strip() for x in options.compressors.split(",")]
     c_map = {"lz4" : compression.has_lz4, "bz2" : True, "zlib": True}
@@ -545,6 +545,10 @@ def parse_cmdline(cmdline):
     for x,b in c_map.items():
         enabled = b and x in compressors
         setattr(compression, "use_%s" % x, enabled)
+    if len([b for x,b in c_map.items() if b and x in compressors])==0:
+        #force compression level to zero since we have none:
+        options.compression_level = 0
+    #packet encoding
     from xpra.net import packet_encoding
     packet_encoders = [x.strip() for x in options.packet_encoders.split(",")]
     pe_map = {"bencode"  : packet_encoding.has_bencode,