diff --git a/routstr/wallet.py b/routstr/wallet.py
index a1f90af0..76372f75 100644
--- a/routstr/wallet.py
+++ b/routstr/wallet.py
@@ -84,7 +84,10 @@ async def swap_to_primary_mint(
         amount_msat = token_amount
     else:
         raise ValueError("Invalid unit")
-    estimated_fee_sat = math.ceil(max(amount_msat // 1000 * 0.01, 2)) + 1
+    if token_obj.mint != settings.primary_mint:
+        estimated_fee_sat = math.ceil(max(amount_msat // 1000 * 0.01, 2)) + 1
+    else:
+        estimated_fee_sat = 0
     amount_msat_after_fee = amount_msat - estimated_fee_sat * 1000
     primary_wallet = await get_wallet(settings.primary_mint, settings.primary_mint_unit)