2 files changed, 2 insertions, 2 deletions
diff --git a/auxiliary/hat-test.c b/auxiliary/hat-test.c
index e41a53a..4f8dc65 100644
--- a/auxiliary/hat-test.c
+++ b/auxiliary/hat-test.c
@@ -5,7 +5,7 @@
  */
 
 #include <assert.h>
-#include <math.h>
+#include <tgmath.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/auxiliary/hatgen.c b/auxiliary/hatgen.c
index d9c6d73..9574cb8 100644
--- a/auxiliary/hatgen.c
+++ b/auxiliary/hatgen.c
@@ -16,7 +16,7 @@
  */
 
 #include <assert.h>
-#include <math.h>
+#include <tgmath.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>