diff --git a/src/util/break_eternity.ts b/src/util/break_eternity.ts
index 9aae08e..e853751 100644
--- a/src/util/break_eternity.ts
+++ b/src/util/break_eternity.ts
@@ -48,7 +48,10 @@ export function regularFormat(num: DecimalSource, precision: number): string {
         return (0).toFixed(precision);
     }
     if (num.mag < 0.1 && precision !== 0) {
-        precision = Math.max(Math.max(precision, 4), projInfo.defaultDecimalsShown);
+        precision = Math.max(
+            Math.max(precision, num.log10().negate().ceil().toNumber()),
+            projInfo.defaultDecimalsShown
+        );
     }
     return num.toStringWithDecimalPlaces(precision);
 }