diff --git a/src/misc1.c b/src/misc1.c
index a03c405..4ef5e14 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -2208,7 +2208,7 @@
     // Ignore SIGHUP, because a dropped connection causes a read error, which
     // makes Vim exit and then handling SIGHUP causes various reentrance
     // problems.
-    signal(SIGHUP, SIG_IGN);
+    mch_signal(SIGHUP, SIG_IGN);
 #endif
 
 #ifdef FEAT_GUI