diff --git a/tmk_core/protocol/ibmpc.c b/tmk_core/protocol/ibmpc.c
index 6a7e9242..880380f1 100644
--- a/tmk_core/protocol/ibmpc.c
+++ b/tmk_core/protocol/ibmpc.c
@@ -153,13 +153,19 @@ RETRY:
     WAIT(data_hi, 300, 7);
     WAIT(clock_hi, 300, 8);
 
+    uint16_t d = recv_data;
+
     // clear buffer to get response correctly
-    recv_data = 0xFFFF;
     ibmpc_host_isr_clear();
 
     idle();
     IBMPC_INT_ON();
-    return ibmpc_host_recv_response();
+    int16_t r = ibmpc_host_recv_response();
+    if (d != 0xFFFF) dprintf("r:%04X ", d);
+    ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
+        recv_data = d;
+    }
+    return r;
 ERROR:
     // Retry for Z-150 AT start bit error
     if (ibmpc_error == 1 && retry++ < 10) {