diff --git a/cache-utils.h b/cache-utils.h
index 04a6e2e9c9b2741954cdc7cc0a50538d6c74929f..2c57f78fc19984c0ecd79d87b0ce1cee3fa34312 100644
--- a/cache-utils.h
+++ b/cache-utils.h
@@ -2,6 +2,9 @@
 #define QEMU_CACHE_UTILS_H
 
 #if defined(_ARCH_PPC)
+
+#include <stdint.h> /* uintptr_t */
+
 struct qemu_cache_conf {
     unsigned long dcache_bsize;
     unsigned long icache_bsize;