diff --git a/services/core/java/com/android/server/clipboard/EmulatorClipboardMonitor.java b/services/core/java/com/android/server/clipboard/EmulatorClipboardMonitor.java
index dce1c9684987f..39c649bd05c06 100644
--- a/services/core/java/com/android/server/clipboard/EmulatorClipboardMonitor.java
+++ b/services/core/java/com/android/server/clipboard/EmulatorClipboardMonitor.java
@@ -111,7 +111,7 @@ class EmulatorClipboardMonitor implements Consumer<ClipData> {
         bb.order(ByteOrder.LITTLE_ENDIAN);
         final int msgLen = bb.getInt();
 
-        if (msgLen <= 0 || msgLen > MAX_CLIPBOARD_BYTES) {
+        if (msgLen < 0 || msgLen > MAX_CLIPBOARD_BYTES) {
             throw new ProtocolException("Clipboard message length: " + msgLen + " out of bounds.");
         }