diff --git a/librecomp/src/mods.cpp b/librecomp/src/mods.cpp
index 1f32b0d..f2a01db 100644
--- a/librecomp/src/mods.cpp
+++ b/librecomp/src/mods.cpp
@@ -1,5 +1,6 @@
 #include <span>
 #include <fstream>
+#include <sstream>
 
 #include "librecomp/mods.hpp"
 #include "librecomp/overlays.hpp"
diff --git a/librecomp/src/recomp.cpp b/librecomp/src/recomp.cpp
index 2c39abb..82b6d52 100644
--- a/librecomp/src/recomp.cpp
+++ b/librecomp/src/recomp.cpp
@@ -6,6 +6,7 @@
 #include <unordered_map>
 #include <unordered_set>
 #include <fstream>
+#include <sstream>
 #include <iostream>
 #include <optional>
 #include <mutex>