diff --git a/include/math/seadQuatCalcCommon.h b/include/math/seadQuatCalcCommon.h
index f714d7a3..bfe9bde9 100644
--- a/include/math/seadQuatCalcCommon.h
+++ b/include/math/seadQuatCalcCommon.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <basis/seadTypes.h>
 #include <math/seadMathPolicies.h>
 
 namespace sead
diff --git a/include/math/seadQuatCalcCommon.hpp b/include/math/seadQuatCalcCommon.hpp
index a5737371..9583b3eb 100644
--- a/include/math/seadQuatCalcCommon.hpp
+++ b/include/math/seadQuatCalcCommon.hpp
@@ -6,6 +6,7 @@
 
 #include <limits>
 #include <math/seadMathCalcCommon.h>
+#include <math/seadVectorCalcCommon.h>
 
 namespace sead
 {