diff --git a/client/lualibs/read14b.lua b/client/lualibs/read14b.lua
index 3102acb04..0421bee5b 100644
--- a/client/lualibs/read14b.lua
+++ b/client/lualibs/read14b.lua
@@ -112,7 +112,7 @@ end
 -- turns on the HF field.
 local function connect14443b()
     local c = Command:newMIX{cmd = cmds.CMD_ISO_14443B_COMMAND, arg1 = ISO14B_COMMAND.ISO14B_CONNECT}
-    return c.sendMIX(true)
+    return c:sendMIX(true)
 end
 ---
 -- Sends an instruction to do nothing, only disconnect
@@ -120,7 +120,7 @@ local function disconnect14443b()
     local c = Command:newMIX{cmd = cmds.CMD_ISO_14443B_COMMAND, arg1 = ISO14B_COMMAND.ISO14B_DISCONNECT}
     -- We can ignore the response here, no ACK is returned for this command
     -- Check /armsrc/iso14443b.c, ReaderIso14443b() for details
-    return c.sendMIX(true)
+    return c:sendMIX(true)
 end
 
 local library = {
diff --git a/client/scripts/calypso.lua b/client/scripts/calypso.lua
index 696f08e8b..de512c5c8 100644
--- a/client/scripts/calypso.lua
+++ b/client/scripts/calypso.lua
@@ -68,7 +68,7 @@ local function help()
     print(desc)
     print('Example usage')
     print(example)
-    print(usage))
+    print(usage)
 end
 --
 -- helper function,  give current count of items in lua-table.