diff --git a/src/modules/channeldb.c b/src/modules/channeldb.c
index 425180bdb..442ce00b4 100644
--- a/src/modules/channeldb.c
+++ b/src/modules/channeldb.c
@@ -216,7 +216,7 @@ int write_channeldb(void)
 #endif
 
 	// Write to a tempfile first, then rename it if everything succeeded
-	snprintf(tmpfname, sizeof(tmpfname), "%s.tmp", cfg.database);
+	snprintf(tmpfname, sizeof(tmpfname), "%s.%x.tmp", cfg.database, getrandom32());
 	fd = fopen(tmpfname, "wb");
 	if (!fd)
 	{
diff --git a/src/modules/reputation.c b/src/modules/reputation.c
index 19418a75f..50c238f60 100644
--- a/src/modules/reputation.c
+++ b/src/modules/reputation.c
@@ -401,7 +401,7 @@ void save_db(void)
 #endif
 
 	/* We write to a temporary file. Only to rename it later if everything was ok */
-	snprintf(tmpfname, sizeof(tmpfname), "%s.tmp", cfg.database);
+	snprintf(tmpfname, sizeof(tmpfname), "%s.%x.tmp", cfg.database, getrandom32());
 	
 	fd = fopen(tmpfname, "w");
 	if (!fd)
diff --git a/src/modules/tkldb.c b/src/modules/tkldb.c
index 83a3e48eb..7cfdcd4f4 100644
--- a/src/modules/tkldb.c
+++ b/src/modules/tkldb.c
@@ -255,7 +255,7 @@ int write_tkldb(void)
 #endif
 
 	// Write to a tempfile first, then rename it if everything succeeded
-	snprintf(tmpfname, sizeof(tmpfname), "%s.tmp", cfg.database);
+	snprintf(tmpfname, sizeof(tmpfname), "%s.%x.tmp", cfg.database, getrandom32());
 	fd = fopen(tmpfname, "wb");
 	if (!fd)
 	{