diff --git a/cache-utils.c b/cache-utils.c
index 7c98144ae5c785ce2290f11feb1031924d4a64f9..73a824a07f0840963b4c83fff728a64e6783d270 100644
--- a/cache-utils.c
+++ b/cache-utils.c
@@ -1,6 +1,6 @@
 #include "cache-utils.h"
 
-#ifdef __powerpc__
+#ifdef HOST_PPC
 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 /* __powerpc__ */
+#endif /* HOST_PPC */
diff --git a/cache-utils.h b/cache-utils.h
index 0598b96ebacc9512396b0f1e5a820a8f94e53ab5..19b24ab4e1ab88f70acb0a895b8138cc7f41a514 100644
--- a/cache-utils.h
+++ b/cache-utils.h
@@ -1,7 +1,9 @@
 #ifndef QEMU_CACHE_UTILS_H
 #define QEMU_CACHE_UTILS_H
 
-#ifdef __powerpc__
+#include "config-host.h"
+
+#ifdef HOST_PPC
 struct qemu_cache_conf {
     unsigned long dcache_bsize;
     unsigned long icache_bsize;