diff --git a/src/ecezo/ecezo.c b/src/ecezo/ecezo.c
index f1701918..222bc26b 100644
--- a/src/ecezo/ecezo.c
+++ b/src/ecezo/ecezo.c
@@ -502,7 +502,7 @@ int ecezo_send_command(const ecezo_context dev, char *cmd, char *buffer,
             return -1;
         }
 
-        strcat(writeBuffer, "\r");
+        strncat(writeBuffer, "\r", 2);
     }
 
     // for the uart this will now include the added CR, for I2C, this