diff --git a/pstl/include/pstl/internal/algorithm_impl.h b/pstl/include/pstl/internal/algorithm_impl.h
index c8e2e1bfa736..99fc8c0a5b87 100644
--- a/pstl/include/pstl/internal/algorithm_impl.h
+++ b/pstl/include/pstl/internal/algorithm_impl.h
@@ -18,6 +18,7 @@
 
 #include "execution_impl.h"
 #include "memory_impl.h"
+#include "parallel_backend_utils.h"
 #include "unseq_backend_simd.h"
 
 #if __PSTL_USE_PAR_POLICIES