diff --git a/src/components/ManaCalculator/constants.ts b/src/components/ManaCalculator/constants.ts
index 2ccf3c798e7..ed87218959d 100644
--- a/src/components/ManaCalculator/constants.ts
+++ b/src/components/ManaCalculator/constants.ts
@@ -21,7 +21,7 @@ export const IOTA_SUPPLY = 4600000000000000;
 export const IOTA_CONGESTION = {
   [CongestionType.HIGH]: 350000000,
   [CongestionType.MEDIUM]: 0, // Dynamic
-  [CongestionType.LOW]: 500000,
+  [CongestionType.LOW]: 1000,
 };
 
 export const IOTA_GENERATION_PER_SLOT = Math.pow(2, -17);
@@ -39,7 +39,7 @@ export const SHIMMER_SUPPLY = 1813620509000000;
 export const SHIMMER_CONGESTION = {
   [CongestionType.HIGH]: 275000000,
   [CongestionType.MEDIUM]: 0, // Dynamic
-  [CongestionType.LOW]: 500000,
+  [CongestionType.LOW]: 1000,
 };
 
 export const SHIMMER_GENERATION_PER_SLOT = Math.pow(2, -16);