diff --git a/common/Definitions.h b/common/Definitions.h
index 31af5c02..49d7c11f 100644
--- a/common/Definitions.h
+++ b/common/Definitions.h
@@ -25,7 +25,7 @@
 #define MIN_STORAGE_CELL_DELAY_IN_NS 2100
 #define READOUT_TIME_IN_US 20
 
-#define GRPC_MAX_MESSAGE_SIZE (1000L*1000L*1000L)
+#define GRPC_MAX_MESSAGE_SIZE (2*1000L*1000L*1000L)
 #define MIN_ENERGY 0.1
 #define MAX_ENERGY 25.0