diff --git a/src/main.c b/src/main.c
index 1519149..09f6f28 100644
--- a/src/main.c
+++ b/src/main.c
@@ -90,7 +90,7 @@ void draw_graph(int x, int y) {
       if (result) {
         GuiSetStyle(BUTTON, BASE_COLOR_NORMAL, ColorToInt(GREEN));
       } else {
-        GuiSetStyle(BUTTON, BASE_COLOR_NORMAL, ColorToInt(GRAY));
+        GuiSetStyle(BUTTON, BASE_COLOR_NORMAL, ColorToInt(BLANK));
       }
       if (GuiButton((Rectangle) {cell_x + x, cell_y + y, CELL_SIZE, CELL_SIZE}, " ")) {
 	printf("clicked row %d | column %d\n", r, c);