diff --git a/src/test/validation_chainstatemanager_tests.cpp b/src/test/validation_chainstatemanager_tests.cpp
index 68563f9c7d5..b07c70e1070 100644
--- a/src/test/validation_chainstatemanager_tests.cpp
+++ b/src/test/validation_chainstatemanager_tests.cpp
@@ -155,10 +155,10 @@ BOOST_FIXTURE_TEST_CASE(chainstatemanager_rebalance_caches, TestChain100Setup)
         manager.MaybeRebalanceCaches();
     }
 
-    BOOST_CHECK_CLOSE(c1.m_coinstip_cache_size_bytes, max_cache * 0.05, 1);
-    BOOST_CHECK_CLOSE(c1.m_coinsdb_cache_size_bytes, max_cache * 0.05, 1);
-    BOOST_CHECK_CLOSE(c2.m_coinstip_cache_size_bytes, max_cache * 0.95, 1);
-    BOOST_CHECK_CLOSE(c2.m_coinsdb_cache_size_bytes, max_cache * 0.95, 1);
+    BOOST_CHECK_CLOSE(double(c1.m_coinstip_cache_size_bytes), max_cache * 0.05, 1);
+    BOOST_CHECK_CLOSE(double(c1.m_coinsdb_cache_size_bytes), max_cache * 0.05, 1);
+    BOOST_CHECK_CLOSE(double(c2.m_coinstip_cache_size_bytes), max_cache * 0.95, 1);
+    BOOST_CHECK_CLOSE(double(c2.m_coinsdb_cache_size_bytes), max_cache * 0.95, 1);
 }
 
 struct SnapshotTestSetup : TestChain100Setup {