diff --git a/main.c b/main.c
index d33d6ab..33f5cde 100644
--- a/main.c
+++ b/main.c
@@ -260,6 +260,7 @@ size_t get_win_title(unsigned char *buf, int len, bool init)
 		if (pfd.readfd >= 0) {
 			if ((n = read(pfd.readfd, buf, len-1)) > 0)
 				buf[n] = '\0';
+			close(pfd.readfd);
 		}
 	}