diff --git a/soem/ethercatmain.h b/soem/ethercatmain.h
index 838a58d..a373ad9 100644
--- a/soem/ethercatmain.h
+++ b/soem/ethercatmain.h
@@ -24,7 +24,7 @@ extern "C"
 
 #ifndef EC_MAXSLAVE
 /** max. number of slaves in array */
-#define EC_MAXSLAVE       32
+#define EC_MAXSLAVE       200
 #endif
 
 /** max. number of groups */