diff --git a/libethcore/KeyManager.cpp b/libethcore/KeyManager.cpp
index 602c60b4a..26cf451d0 100644
--- a/libethcore/KeyManager.cpp
+++ b/libethcore/KeyManager.cpp
@@ -213,6 +213,7 @@ void KeyManager::kill(Address const& _a)
 	m_addrLookup.erase(_a);
 	m_keyInfo.erase(id);
 	m_store.kill(id);
+	write(m_keysFile);
 }
 
 Addresses KeyManager::accounts() const