diff --git a/test/test_erf.cpp b/test/test_erf.cpp
index d01f8024d..504484711 100644
--- a/test/test_erf.cpp
+++ b/test/test_erf.cpp
@@ -16,6 +16,7 @@
 #  pragma GCC diagnostic ignored "-Wliteral-range"
 #endif
 
+#define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
 #include <boost/math/special_functions/erf.hpp>
 #include "test_erf.hpp"
 
diff --git a/test/test_gamma.cpp b/test/test_gamma.cpp
index 565d5888a..fb86080d7 100644
--- a/test/test_gamma.cpp
+++ b/test/test_gamma.cpp
@@ -7,6 +7,7 @@
 #include <pch_light.hpp>
 #endif
 
+#define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
 #include <boost/math/special_functions/gamma.hpp>
 #include "test_gamma.hpp"
 
diff --git a/test/test_gamma.hpp b/test/test_gamma.hpp
index 729a8266d..7376573ad 100644
--- a/test/test_gamma.hpp
+++ b/test/test_gamma.hpp
@@ -4,8 +4,6 @@
 //  Boost Software License, Version 1.0. (See accompanying file
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
-#define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
-
 #include <boost/math/tools/config.hpp>
 #include <boost/math/concepts/real_concept.hpp>
 #include <boost/math/special_functions/math_fwd.hpp>