diff --git a/src/lib/termdesc.c b/src/lib/termdesc.c
index 5cfc27915..d28e5b01f 100644
--- a/src/lib/termdesc.c
+++ b/src/lib/termdesc.c
@@ -922,7 +922,7 @@ int interrogate_terminfo(tinfo* ti, const char* termtype, FILE* out, unsigned ut
 
 err:
   if(ti->tpreserved){
-    tcsetattr(ti->ttyfd, TCSANOW, ti->tpreserved);
+    (void)tcsetattr(ti->ttyfd, TCSANOW, ti->tpreserved);
   }
   free(ti->tpreserved);
   free(ti->esctable);