diff --git a/src/main.py b/src/main.py
index 57099f8..7007f98 100644
--- a/src/main.py
+++ b/src/main.py
@@ -55,7 +55,7 @@ class Simplex:
     def iteration(self) -> bool:
         main_column = self.max_delta_column()
 
-        if abs(main_column.delta) <= 0.00000000001:
+        if main_column.delta <= 0.00000000001:
             return False
 
         main_column_values = main_column.inner.copy()