1 files changed, 2 insertions, 2 deletions
diff --git a/host/include/uhd/stream.hpp b/host/include/uhd/stream.hpp
index 583dfd1e4..7a3151276 100644
--- a/host/include/uhd/stream.hpp
+++ b/host/include/uhd/stream.hpp
@@ -39,8 +39,8 @@ struct UHD_API stream_args_t{
 
     //! Convenience constructor for streamer args
     stream_args_t(
-        const std::string &cpu = "fc32",
-        const std::string &otw = "sc16"
+        const std::string &cpu = "",
+        const std::string &otw = ""
     ){
         cpu_format = cpu;
         otw_format = otw;