diff --git a/src/frontend/mosh-server.cc b/src/frontend/mosh-server.cc
index d040a18..e95ace8 100644
--- a/src/frontend/mosh-server.cc
+++ b/src/frontend/mosh-server.cc
@@ -577,7 +577,7 @@ static int run_server( const char *desired_ip, const char *desired_port,
     /* Drop unnecessary privileges */
 #ifdef HAVE_PLEDGE
     /* OpenBSD pledge() syscall */
-    if ( pledge( "stdio inet ioctl tty", NULL )) {
+    if ( pledge( "stdio inet tty", NULL )) {
       perror( "pledge() failed" );
       exit( 1 );
     }
diff --git a/src/frontend/stmclient.cc b/src/frontend/stmclient.cc
index 10d2fdd..8523f9c 100644
--- a/src/frontend/stmclient.cc
+++ b/src/frontend/stmclient.cc
@@ -415,7 +415,7 @@ bool STMClient::main( void )
   /* Drop unnecessary privileges */
 #ifdef HAVE_PLEDGE
   /* OpenBSD pledge() syscall */
-  if ( pledge( "stdio inet ioctl tty", NULL )) {
+  if ( pledge( "stdio inet tty", NULL )) {
     perror( "pledge() failed" );
     exit( 1 );
   }