diff --git a/termemu.cpp b/termemu.cpp
index cf0d292..8b9e1ad 100644
--- a/termemu.cpp
+++ b/termemu.cpp
@@ -184,7 +184,7 @@ int termemu( int host_fd, int src_fd, bool user, int debug_fd,
       act->act_on_terminal( terminal );
 
       /* print out action for debugging */
-      if ( (debug_fd > 0) ) {
+      if ( (debug_fd > 0) && (!act->handled) ) {
 	char actsum[ 64 ];
 	snprintf( actsum, 64, "%s ", act->str().c_str() );
 	swrite( debug_fd, actsum );
diff --git a/terminaluserinput.cpp b/terminaluserinput.cpp
index f279989..a858f93 100644
--- a/terminaluserinput.cpp
+++ b/terminaluserinput.cpp
@@ -21,5 +21,7 @@ std::string UserInput::input( Parser::UserByte *act )
   /* This doesn't handle the 8-bit SS3 C1 control, which would be
      two octets in UTF-8. Fortunately nobody seems to send this. */
 
+  act->handled = true;
+
   return std::string( translated_str );
 }