diff --git a/day_02/program.py b/day_02/program.py
index c726644..a85eb07 100755
--- a/day_02/program.py
+++ b/day_02/program.py
@@ -20,11 +20,11 @@ def is_safe_single(reports: list) -> bool:
     decreasing = True
     for i in range(len(reports) - 1):
         distance = abs(reports[i] - reports[i + 1])
-        if distance < 1 or distance > 3:
+        if distance == 0 or distance > 3:
             return False
-        if reports[i] >= reports[i + 1]:
+        if reports[i] > reports[i + 1]:
             increasing = False
-        if reports[i] <= reports[i + 1]:
+        if reports[i] < reports[i + 1]:
             decreasing = False
     return increasing or decreasing