diff --git a/util/cacheflush.c b/util/cacheflush.c
index de35616718..a08906155a 100644
--- a/util/cacheflush.c
+++ b/util/cacheflush.c
@@ -241,7 +241,14 @@ static void __attribute__((constructor)) init_cache_info(void)
 
 void flush_idcache_range(uintptr_t rx, uintptr_t rw, size_t len)
 {
-    sys_dcache_flush((void *)rw, len);
+    if (rx == rw) {
+        /*
+         * sys_icache_invalidate() syncs the dcache and icache,
+         * so no need to call sys_dcache_flush().
+         */
+    } else {
+        sys_dcache_flush((void *)rw, len);
+    }
     sys_icache_invalidate((void *)rx, len);
 }
 #else