diff --git a/guest/hals/gralloc/legacy/gralloc_vsoc_priv.h b/guest/hals/gralloc/legacy/gralloc_vsoc_priv.h
index a324f3a..ed0c72b 100644
--- a/guest/hals/gralloc/legacy/gralloc_vsoc_priv.h
+++ b/guest/hals/gralloc/legacy/gralloc_vsoc_priv.h
@@ -16,6 +16,7 @@
  */
 #include <stdint.h>
 #include <limits.h>
+#include <string.h>
 #include <sys/cdefs.h>
 #include <sys/mman.h>
 #include <hardware/gralloc.h>