1 files changed, 3 insertions, 2 deletions
diff --git a/src/blockfilter.h b/src/blockfilter.h
index 4d1f51dd60..e5e087ed5a 100644
--- a/src/blockfilter.h
+++ b/src/blockfilter.h
@@ -83,9 +83,10 @@ public:
 constexpr uint8_t BASIC_FILTER_P = 19;
 constexpr uint32_t BASIC_FILTER_M = 784931;
 
-enum BlockFilterType : uint8_t
+enum class BlockFilterType : uint8_t
 {
     BASIC = 0,
+    INVALID = 255,
 };
 
 /**
@@ -95,7 +96,7 @@ enum BlockFilterType : uint8_t
 class BlockFilter
 {
 private:
-    BlockFilterType m_filter_type;
+    BlockFilterType m_filter_type = BlockFilterType::INVALID;
     uint256 m_block_hash;
     GCSFilter m_filter;