diff --git a/examples/src/bin/multi_window_game_of_life/game_of_life.rs b/examples/src/bin/multi_window_game_of_life/game_of_life.rs
index 6544abe8a6..b858450b7a 100644
--- a/examples/src/bin/multi_window_game_of_life/game_of_life.rs
+++ b/examples/src/bin/multi_window_game_of_life/game_of_life.rs
@@ -242,21 +242,21 @@ mod compute_life_cs {
                 ivec2 left = pos + ivec2(-1, 0);
 
                 int alive_count = 0;
-                if (life_out[get_index(up_left)] == 1) { alive_count += 1; }
-                if (life_out[get_index(up)] == 1) { alive_count += 1; }
-                if (life_out[get_index(up_right)] == 1) { alive_count += 1; }
-                if (life_out[get_index(right)] == 1) { alive_count += 1; }
-                if (life_out[get_index(down_right)] == 1) { alive_count += 1; }
-                if (life_out[get_index(down)] == 1) { alive_count += 1; }
-                if (life_out[get_index(down_left)] == 1) { alive_count += 1; }
-                if (life_out[get_index(left)] == 1) { alive_count += 1; }
+                if (life_in[get_index(up_left)] == 1) { alive_count += 1; }
+                if (life_in[get_index(up)] == 1) { alive_count += 1; }
+                if (life_in[get_index(up_right)] == 1) { alive_count += 1; }
+                if (life_in[get_index(right)] == 1) { alive_count += 1; }
+                if (life_in[get_index(down_right)] == 1) { alive_count += 1; }
+                if (life_in[get_index(down)] == 1) { alive_count += 1; }
+                if (life_in[get_index(down_left)] == 1) { alive_count += 1; }
+                if (life_in[get_index(left)] == 1) { alive_count += 1; }
 
                 // Dead becomes alive.
-                if (life_out[index] == 0 && alive_count == 3) {
+                if (life_in[index] == 0 && alive_count == 3) {
                     life_out[index] = 1;
                 }
                 // Becomes dead.
-                else if (life_out[index] == 1 && alive_count < 2 || alive_count > 3) {
+                else if (life_in[index] == 1 && alive_count < 2 || alive_count > 3) {
                     life_out[index] = 0;
                 }
                 // Else do nothing.