diff --git a/decimal.js b/decimal.js
index 23cc2d3..824cdf8 100644
--- a/decimal.js
+++ b/decimal.js
@@ -1728,7 +1728,7 @@
       e = mathfloor((e + 1) / 2) - (e < 0 || e % 2);
 
       if (s == 1 / 0) {
-        n = '1e' + e;
+        n = '5e' + e;
       } else {
         n = s.toExponential();
         n = n.slice(0, n.indexOf('e') + 1) + e;
diff --git a/decimal.mjs b/decimal.mjs
index ca5fcd2..6ec61b2 100644
--- a/decimal.mjs
+++ b/decimal.mjs
@@ -1724,7 +1724,7 @@ P.squareRoot = P.sqrt = function () {
     e = mathfloor((e + 1) / 2) - (e < 0 || e % 2);
 
     if (s == 1 / 0) {
-      n = '1e' + e;
+      n = '5e' + e;
     } else {
       n = s.toExponential();
       n = n.slice(0, n.indexOf('e') + 1) + e;