diff --git a/src/xenia/kernel/xam/xam_input.cc b/src/xenia/kernel/xam/xam_input.cc
index 2034e35b1..c355b3a8e 100644
--- a/src/xenia/kernel/xam/xam_input.cc
+++ b/src/xenia/kernel/xam/xam_input.cc
@@ -254,6 +254,13 @@ dword_result_t XamInputGetKeystrokeEx_entry(
 
   if (XSUCCEEDED(result)) {
     *user_index_ptr = keystroke->user_index;
+  }
+  // Test the code EXACTLY, not with XSUCCEEDED. `X_ERROR_EMPTY` is `0x10D2`
+  // and XSUCCEEDED is `(s & 0xC0000000) == 0`, so an empty poll "succeeds" —
+  // logging on XSUCCEEDED buried two real keystrokes under 6 499 empties in
+  // the first run of this instrumentation. (The assignment above shares the
+  // quirk; it is upstream's and harmless, since the struct is zeroed.)
+  if (result == X_ERROR_SUCCESS) {
     // Rare by construction — one per physical press — so log every one.
     XELOGI(
         "[RE-INPUT] XamInputGetKeystrokeEx -> user={} vk={:04X} flags={:04X} "