diff --git a/cache-utils.c b/cache-utils.c
index 73a824a07f..7df1fcf51c 100644
--- a/cache-utils.c
+++ b/cache-utils.c
@@ -1,6 +1,6 @@
 #include "cache-utils.h"
 
-#ifdef HOST_PPC
+#if defined HOST_PPC || defined HOST_PPC64
 struct qemu_cache_conf qemu_cache_conf = {
     .dcache_bsize = 16,
     .icache_bsize = 16
@@ -68,4 +68,4 @@ void qemu_cache_utils_init(char **envp)
 }
 #endif
 
-#endif /* HOST_PPC */
+#endif /* HOST_PPC || HOST_PPC64  */
diff --git a/cache-utils.h b/cache-utils.h
index 19b24ab4e1..8847dbbf7b 100644
--- a/cache-utils.h
+++ b/cache-utils.h
@@ -3,7 +3,7 @@
 
 #include "config-host.h"
 
-#ifdef HOST_PPC
+#if defined HOST_PPC || defined HOST_PPC64
 struct qemu_cache_conf {
     unsigned long dcache_bsize;
     unsigned long icache_bsize;