--- a/main.c
+++ b/main.c
@@ -184,7 +184,7 @@
 	p->gExecShellArgv = NULL;
 	p->gConfFile = FILE_JFBTERM_CONF;
 	p->gConfEncoding = NULL;
-
+	signal(SIGCHLD, sigchld);
 	atexit(tapp_final_at_exit);
 }
 
--- a/term.h
+++ b/term.h
@@ -44,7 +44,7 @@
 } TTerm;
 
 void tterm_start(TTerm* p, const char* tn, const char* en);
-
+void sigchld(int sig);
 extern TTerm gTerm;
 
 #endif /* INCLUDE_TERM_H */