diff --git a/src/qiskit_qec/analysis/distance.h b/src/qiskit_qec/analysis/distance.h
index abd99083..9970b916 100644
--- a/src/qiskit_qec/analysis/distance.h
+++ b/src/qiskit_qec/analysis/distance.h
@@ -5,6 +5,7 @@
 #include <vector>
 #include <set>
 #include <exception>
+#include <iterator>
 
 #include "linear.h"
 #include "combinations.h"