diff --git a/src/input_common.cpp b/src/input_common.cpp
index dc89f2b75..fb82b1842 100644
--- a/src/input_common.cpp
+++ b/src/input_common.cpp
@@ -134,6 +134,13 @@ static char_event_t readb() {
                 }
             }
 
+            if (ioport > 0 && FD_ISSET(ioport, &fdset)) {
+                iothread_service_completion();
+                if (auto mc = s_lookahead->pop_evt()) {
+                    return *mc;
+                }
+            }
+
             if (FD_ISSET(STDIN_FILENO, &fdset)) {
                 unsigned char arr[1];
                 if (read_blocked(0, arr, 1) != 1) {
@@ -144,15 +151,6 @@ static char_event_t readb() {
                 // We read from stdin, so don't loop.
                 return arr[0];
             }
-
-            // Check for iothread completions only if there is no data to be read from the stdin.
-            // This gives priority to the foreground.
-            if (ioport > 0 && FD_ISSET(ioport, &fdset)) {
-                iothread_service_completion();
-                if (auto mc = s_lookahead->pop_evt()) {
-                    return *mc;
-                }
-            }
         }
     }
 }