diff --git a/libs/input/KeyCharacterMap.cpp b/libs/input/KeyCharacterMap.cpp
index fe649fb..0627ca6 100644
--- a/libs/input/KeyCharacterMap.cpp
+++ b/libs/input/KeyCharacterMap.cpp
@@ -608,7 +608,7 @@
         return NULL;
     }
     if (numKeys > MAX_KEYS) {
-        ALOGE("Too many keys in KeyCharacterMap (%d > %d)", numKeys, MAX_KEYS);
+        ALOGE("Too many keys in KeyCharacterMap (%zu > %d)", numKeys, MAX_KEYS);
         return NULL;
     }