diff --git a/u02/src/tests.cpp b/u02/src/tests.cpp
index dd2eeee..5090c1b 100644
--- a/u02/src/tests.cpp
+++ b/u02/src/tests.cpp
@@ -142,6 +142,7 @@ TEST_CASE("DDA line tool (prop: for every row/column, only one pixel is set)") {
     unique_direction_max = y_max;
   }
 
+  bool all_sums_are_one = true;
   int sum;
   for (int dd = draw_direction_min; dd <= draw_direction_max; dd++) {
     sum = 0;
@@ -157,6 +158,9 @@ TEST_CASE("DDA line tool (prop: for every row/column, only one pixel is set)") {
       if (canvas->get_pixel(x, y))
         sum++;
     }
-    REQUIRE(sum == 1);
+    if (sum != 1)
+      all_sums_are_one = false;
   }
+
+  REQUIRE(all_sums_are_one);
 }