diff --git a/tests/mpn/t-dc_divappr_q_n.c b/tests/mpn/t-dc_divappr_q_n.c
index 76f8572a..953dea12 100644
--- a/tests/mpn/t-dc_divappr_q_n.c
+++ b/tests/mpn/t-dc_divappr_q_n.c
@@ -27,7 +27,7 @@ MA 02110-1301, USA. */
 #include "gmp-impl.h"
 #include "tests.h"
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) || defined(__MINGW32__)
 #define random rand
 #endif
 
diff --git a/tests/mpn/t-sb_divappr_q.c b/tests/mpn/t-sb_divappr_q.c
index 221457c4..288d96c8 100644
--- a/tests/mpn/t-sb_divappr_q.c
+++ b/tests/mpn/t-sb_divappr_q.c
@@ -27,7 +27,7 @@ MA 02110-1301, USA. */
 #include "gmp-impl.h"
 #include "tests.h"
 
-#ifdef _MSC_VER
+#if defined(_MSC_VER) || defined(__MINGW32__)
 #define random rand
 #endif