diff --git a/reactos/drivers/sac/driver/util.c b/reactos/drivers/sac/driver/util.c
index f536915e23f..32daaac3bc3 100644
--- a/reactos/drivers/sac/driver/util.c
+++ b/reactos/drivers/sac/driver/util.c
@@ -133,6 +133,7 @@ PreloadGlobalMessageTable(IN PVOID ImageBase)
     if (GlobalMessageTable) goto Exit;
 
     /* Loop through up to 200 messages */
+    TotalLength = 0;
     for (MessageId = 1; MessageId != SAC_MAX_MESSAGES; MessageId++)
     {
         /* Find this message ID in the string table*/