diff --git a/src/signal_handler.c b/src/signal_handler.c
index 60b33816841e1021999a20f71fbc117053a887b0..0f7ac6b0af253c0d570cc01b9a29c811cd01c02c 100644
--- a/src/signal_handler.c
+++ b/src/signal_handler.c
@@ -5,6 +5,7 @@
 \*/
 #include "global.h"
 #include "fdlib.h"
+#include "fd_control.h"
 #include "svalue.h"
 #include "interpret.h"
 #include "stralloc.h"