diff --git a/sway/main.c b/sway/main.c
index a325dc3ad..124f9fbb7 100644
--- a/sway/main.c
+++ b/sway/main.c
@@ -175,7 +175,7 @@ static void log_kernel() {
 		}
 		free(line);
 	}
-	fclose(f);
+	pclose(f);
 }
 
 static void security_sanity_check() {