diff --git a/firmware/baseband/block_decimator.hpp b/firmware/baseband/block_decimator.hpp
index c3d323b67..dbca0ebd9 100644
--- a/firmware/baseband/block_decimator.hpp
+++ b/firmware/baseband/block_decimator.hpp
@@ -24,7 +24,9 @@
 
 #include <cstdint>
 #include <cstddef>
+#include <array>
 
+#include "dsp_types.hpp"
 #include "complex.hpp"
 
 template<size_t N>