diff --git a/src/playlist/plugins/SoundCloudPlaylistPlugin.cxx b/src/playlist/plugins/SoundCloudPlaylistPlugin.cxx
index 8b51e40f3..3fe8d57b1 100644
--- a/src/playlist/plugins/SoundCloudPlaylistPlugin.cxx
+++ b/src/playlist/plugins/SoundCloudPlaylistPlugin.cxx
@@ -35,6 +35,7 @@
 #include <string>
 
 #include <string.h>
+#include <stdlib.h>
 
 static struct {
 	std::string apikey;
diff --git a/src/sticker/SongSticker.cxx b/src/sticker/SongSticker.cxx
index c052633b8..b0b74b1a6 100644
--- a/src/sticker/SongSticker.cxx
+++ b/src/sticker/SongSticker.cxx
@@ -27,6 +27,7 @@
 
 #include <assert.h>
 #include <string.h>
+#include <stdlib.h>
 
 std::string
 sticker_song_get_value(const LightSong &song, const char *name)