1 files changed, 1 insertions, 0 deletions
diff --git a/src/StormPort.h b/src/StormPort.h
index 40e418c..1da974b 100644
--- a/src/StormPort.h
+++ b/src/StormPort.h
@@ -211,6 +211,7 @@
   #define ERROR_NOT_ENOUGH_MEMORY        ENOMEM
   #define ERROR_NOT_SUPPORTED            ENOTSUP
   #define ERROR_INVALID_PARAMETER        EINVAL
+  #define ERROR_NEGATIVE_SEEK            EINVAL
   #define ERROR_DISK_FULL                ENOSPC
   #define ERROR_ALREADY_EXISTS           EEXIST
   #define ERROR_INSUFFICIENT_BUFFER      ENOBUFS