diff --git a/helpers.c b/helpers.c
index c7db2d4..c95d4a0 100644
--- a/helpers.c
+++ b/helpers.c
@@ -8,7 +8,7 @@ void grayscale(int height, int width, RGBTRIPLE image[height][width])
     {
         for (int j = 0; j < width; j++)
         {
-            int avg = round((image[i][j].rgbtBlue + image[i][j].rgbtGreen + image[i][j].rgbtRed) / 3);
+            int avg = round((image[i][j].rgbtBlue + image[i][j].rgbtGreen + image[i][j].rgbtRed) / (float) 3);
             image[i][j].rgbtBlue = image[i][j].rgbtGreen = image[i][j].rgbtRed = avg;
         }
     }