diff --git a/gir.js b/gir.js
index 166ca36..bd2b3d8 100644
--- a/gir.js
+++ b/gir.js
@@ -943,16 +943,10 @@ function ircbotRun(program, input, maxCycles = 400000) {
 		// Find min and max of the existant array indinces, since
 		// there is no good way to easily get them and we need them
 		// for the output
-		let min = Infinity;
-		let max = -Infinity;
-		for(let index of result.state.memory.keys()) {
-			if(index < min) {
-				min = index;
-			}
-			if(index > max) {
-				max = index;
-			}
-		}
+		let min = Array.from(result.state.memory.keys()).reduce(
+			(x, y) => Math.min(x, y));
+		let max = Array.from(result.state.memory.keys()).reduce(
+			(x, y) => Math.max(x, y));
 
 		// Get 15 cells of context on each side of tape head
 		// Exception is if max or min comes up before that, in which