diff --git a/pybtc/connector/utxo.py b/pybtc/connector/utxo.py
index a8efc02..2574d5a 100644
--- a/pybtc/connector/utxo.py
+++ b/pybtc/connector/utxo.py
@@ -77,14 +77,13 @@ class UTXO():
                     block_changed = True
                     lb = i[1][0] >> 39
                 if lb - 1 == checkpoint:
-                    if len(self.pending_utxo) < int(self.size_limit * 0.9):
-                        if len(self.cached) > int(self.size_limit * 0.9):
-                            if self.checkpoints:
-                                checkpoint = self.checkpoints.pop(0)
-                        else:
-                            if len(self.cached) > int(self.size_limit):
-                                if self.checkpoints:
-                                    checkpoint = self.checkpoints.pop(0)
+                    if len(self.pending_utxo) > self.size_limit * 0.9:
+                        limit = self.size_limit
+                    else:
+                        limit = self.size_limit * 0.9
+                    if len(self.cached) > limit:
+                        if self.checkpoints:
+                            checkpoint = self.checkpoints.pop(0)
                     else:
                         checkpoint_found = True
                 while self.checkpoints and checkpoint < lb - 1: