diff --git a/src/evo/mnhftx.cpp b/src/evo/mnhftx.cpp
index 1fe90958ef..0a381cd44b 100644
--- a/src/evo/mnhftx.cpp
+++ b/src/evo/mnhftx.cpp
@@ -23,7 +23,7 @@
 #include <vector>
 
 static const std::string MNEHF_REQUESTID_PREFIX = "mnhf";
-static const std::string DB_SIGNALS = "mnhf";
+static const std::string DB_SIGNALS = "mnhf_s";
 static const std::string DB_SIGNALS_v2 = "mnhf_s2";
 
 uint256 MNHFTxPayload::GetRequestId() const