diff --git a/libmaxsi/decl/errno_values.h b/libmaxsi/decl/errno_values.h
index cdca9c91..adec9dd4 100644
--- a/libmaxsi/decl/errno_values.h
+++ b/libmaxsi/decl/errno_values.h
@@ -36,6 +36,7 @@
 #define EEOF 44
 #define EBOUND 45
 #define EINIT 46
+#define ENODRV 47
 
 #define EOPNOTSUPP ENOTSUP
 
diff --git a/libmaxsi/error.cpp b/libmaxsi/error.cpp
index 39e8dd31..9b6fbc21 100644
--- a/libmaxsi/error.cpp
+++ b/libmaxsi/error.cpp
@@ -96,6 +96,7 @@ extern "C" const char* sortix_strerror(int errnum)
 	case EEOF: return "End of file";
 	case EBOUND: return "Out of bounds";
 	case EINIT: return "Not initialized";
+	case ENODRV: return (char*) "No such driver";
 	default: return "Unknown error condition";
 	}
 }