diff --git a/libmaxsi/decl/errno_values.h b/libmaxsi/decl/errno_values.h
index f487fceb..cdca9c91 100644
--- a/libmaxsi/decl/errno_values.h
+++ b/libmaxsi/decl/errno_values.h
@@ -35,6 +35,7 @@
 #define EAGAIN 43
 #define EEOF 44
 #define EBOUND 45
+#define EINIT 46
 
 #define EOPNOTSUPP ENOTSUP
 
diff --git a/libmaxsi/error.cpp b/libmaxsi/error.cpp
index ec0c6010..7daca8a8 100644
--- a/libmaxsi/error.cpp
+++ b/libmaxsi/error.cpp
@@ -83,6 +83,7 @@ namespace Maxsi
 				case EAGAIN: return (char*) "Resource temporarily unavailable";
 				case EEOF: return (char*) "End of file";
 				case EBOUND: return (char*) "Out of bounds";
+				case EINIT: return (char*) "Not initialized";
 				default: return (char*) "Unknown error condition";
 			}
 		}