diff --git a/ConflictSet.cpp b/ConflictSet.cpp
index a0ccd9b..616ee09 100644
--- a/ConflictSet.cpp
+++ b/ConflictSet.cpp
@@ -272,15 +272,15 @@ constexpr int kMinChildrenNode16 = 5;
 constexpr int kMinChildrenNode48 = 17;
 constexpr int kMinChildrenNode256 = 49;
 
-static_assert(sizeof(Node256) + kMinSavingsPerNode <=
-              kMinChildrenNode256 * kMinSavingsPerNode);
-static_assert(sizeof(Node48) + kMinSavingsPerNode <=
-              kMinChildrenNode48 * kMinSavingsPerNode);
-static_assert(sizeof(Node16) + kMinSavingsPerNode <=
-              kMinChildrenNode16 * kMinSavingsPerNode);
-static_assert(sizeof(Node4) + kMinSavingsPerNode <=
-              kMinChildrenNode4 * kMinSavingsPerNode);
-static_assert(sizeof(Node0) + kMinSavingsPerNode <= kBytesPerKey);
+static_assert(kMinChildrenNode256 * kMinSavingsPerNode - sizeof(Node256) >=
+              kMinSavingsPerNode);
+static_assert(kMinChildrenNode48 * kMinSavingsPerNode - sizeof(Node48) >=
+              kMinSavingsPerNode);
+static_assert(kMinChildrenNode16 * kMinSavingsPerNode - sizeof(Node16) >=
+              kMinSavingsPerNode);
+static_assert(kMinChildrenNode4 * kMinSavingsPerNode - sizeof(Node4) >=
+              kMinSavingsPerNode);
+static_assert(kBytesPerKey - sizeof(Node0) >= kMinSavingsPerNode);
 
 // setOldestVersion will additionally try to maintain this property:
 //     `max(children, 1) * length >= capacity`