diff --git a/helpers.c b/helpers.c
index 68c4390..1214ea0 100644
--- a/helpers.c
+++ b/helpers.c
@@ -91,22 +91,17 @@ void blur(int height, int width, RGBTRIPLE image[height][width])
             float sumRed = 0, sumGreen = 0, sumBlue = 0;
             int count = 0;
 
-            for (int k = -1; k < 2; k++)
+            for (int k = (i - 1); k <= (i + 1); k++)
             {
-                for (int l = -1; l < 2; l++)
+                for (int l = (j - 1); l <= (j + 1); l++)
                 {
-                    if (i + k <= 0 || i + k >= height)
+                    if ((k >= 0 && k <= (height - 1)) && (l >= 0 && l <= (width - 1)))
                     {
-                        continue;
-                    }
-                    if (j + l <= 0 || j + l >= width)
-                    {
-                        continue;
-                    }
-                    sumRed += copy[i + k][j + l].rgbtRed;
-                    sumGreen += copy[i + k][j + l].rgbtGreen;
-                    sumBlue += copy[i + k][j + l].rgbtBlue;
+                    sumRed += copy[k][l].rgbtRed;
+                    sumGreen += copy[k][l].rgbtGreen;
+                    sumBlue += copy[k][l].rgbtBlue;
                     count++;
+                    }
                 }
             }
             image[i][j].rgbtRed = round(sumRed / (float) count);