diff --git a/src/libstore/download.cc b/src/libstore/download.cc
index a8bcab2f1..258d7937c 100644
--- a/src/libstore/download.cc
+++ b/src/libstore/download.cc
@@ -17,12 +17,13 @@
 
 #include <curl/curl.h>
 
-#include <queue>
-#include <iostream>
-#include <thread>
-#include <cmath>
-#include <random>
 #include <algorithm>
+#include <cmath>
+#include <cstring>
+#include <iostream>
+#include <queue>
+#include <random>
+#include <thread>
 
 using namespace std::string_literals;