diff --git a/du5/program.c b/du5/program.c
index b0849ab..1ea6844 100644
--- a/du5/program.c
+++ b/du5/program.c
@@ -36,7 +36,8 @@ int buildATree()
     char *line = lines[indexLine];
     indexLine += 1;
     //pomocny index
-    int current = nodeCount += 1;
+    int current = nodeCount;
+    nodeCount += 1;
 
     if (line[0] == '*') {
         tree[current].isAnswer = true;