diff --git a/source/filters/filter-dynamic-mask.cpp b/source/filters/filter-dynamic-mask.cpp
index 111659c3..b4d1d9da 100644
--- a/source/filters/filter-dynamic-mask.cpp
+++ b/source/filters/filter-dynamic-mask.cpp
@@ -21,6 +21,7 @@
 #include "strings.hpp"
 #include <sstream>
 #include <stdexcept>
+#include <vector>
 
 // Filter to allow dynamic masking
 // Allow any channel to affect any other channel