diff -ur ndoutils-1.4b3.original/src/ndo2db.c ndoutils-1.4b3/src/ndo2db.c
--- ndoutils-1.4b3.original/src/ndo2db.c	2008-03-04 15:31:49.000000000 +0100
+++ ndoutils-1.4b3/src/ndo2db.c	2008-03-07 17:48:26.322042016 +0100
@@ -65,6 +65,7 @@
 int main(int argc, char **argv){
 	int db_supported=NDO_FALSE;
 	int result=NDO_OK;
+	struct sigaction sa;
 
 #ifdef DEBUG_MEMORY
 	mtrace();
@@ -132,7 +133,9 @@
 	signal(SIGINT,ndo2db_parent_sighandler);
 	signal(SIGSEGV,ndo2db_parent_sighandler);
 	signal(SIGFPE,ndo2db_parent_sighandler);
-	signal(SIGCHLD,ndo2db_parent_sighandler);
+	sa.sa_handler=ndo2db_parent_sighandler;
+	sa.sa_flags=SA_NOCLDSTOP|SA_RESTART;
+	sigaction(SIGCHLD,&sa,NULL);
 
 	/* drop privileges */
 	ndo2db_drop_privileges(ndo2db_user,ndo2db_group);