diff --git a/include/villas/node/config.hpp.in b/include/villas/node/config.hpp.in
index c87deb8ed..73c16c651 100644
--- a/include/villas/node/config.hpp.in
+++ b/include/villas/node/config.hpp.in
@@ -13,7 +13,7 @@
 #include <villas/config.hpp>
 
 /** Default number of values in a sample */
-#define DEFAULT_SAMPLE_LENGTH		500u
+#define DEFAULT_SAMPLE_LENGTH		64u
 #define DEFAULT_QUEUE_LENGTH		1024u
 #define MAX_SAMPLE_LENGTH		512u
 #define DEFAULT_FORMAT_BUFFER_LENGTH 	4096u