diff --git a/reactos/lib/fast486/opcodes.c b/reactos/lib/fast486/opcodes.c
index 29c10d85246..1a8e247acee 100644
--- a/reactos/lib/fast486/opcodes.c
+++ b/reactos/lib/fast486/opcodes.c
@@ -3973,7 +3973,7 @@ FAST486_OPCODE_HANDLER(Fast486OpcodeMovLoadSeg)
             return;
         }
 
-        if (Fast486LoadSegment(State, ModRegRm.Register, Selector))
+        if (!Fast486LoadSegment(State, ModRegRm.Register, Selector))
         {
             /* Exception occurred */
             return;