diff --git a/du5/program.c b/du5/program.c
index 6579206..0eaba5e 100644
--- a/du5/program.c
+++ b/du5/program.c
@@ -103,7 +103,7 @@ void goThroughTheTree(int rootIndex)
 int main() 
 {
     char buffer[SIZE];
-    bool isErr; //pomocna error premena
+    bool isErr = false; //pomocna error premena
 
     //null-terminovanie
     buffer[0] = '\0';
@@ -113,7 +113,7 @@ int main()
     {
         //prestane citat vstup, ak je NEPLATNY (rovna sa Newline symbolu, resp. prazdny riadok) 
         //ALEBO ak sa nenacital riadok vobec (buffer je uplne prazdny, (resp prvy prvok je null terminator))
-        if (strcmp(buffer, "\n") == 0 ||  buffer[0] = '\0')
+        if (strcmp(buffer, "\n") == 0 ||  buffer[0] == '\0')
         {
             isErr = true;
             break;