diff --git a/du3/program.c b/du3/program.c
index b2454dc..8c12b23 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -101,15 +101,15 @@ int main()
                         switch (writeIntoArrayNum)
                         {   
                             case 1:
-                            strncat(num1Temp, i, 1);
+                            strncat(num1Temp, strBuffer[i], 1);
                             break;
 
                             case 2:
-                            strncat(num2Temp, i, 1);
+                            strncat(num2Temp, strBuffer[i], 1);
                             break;
 
                             case 3:
-                            strncat(resultTemp, i, 1);
+                            strncat(resultTemp, strBuffer[i], 1);
                             break;
                         }
                     }