diff --git a/libdispatch/dv2i.c b/libdispatch/dv2i.c
index 5d4123803..c7c05a96d 100644
--- a/libdispatch/dv2i.c
+++ b/libdispatch/dv2i.c
@@ -12,7 +12,7 @@ See \ref copyright file for copying and redistribution conditions.
 #include <stdio.h>
 #include <stdarg.h>
 #include "netcdf.h"
-#include "math.h"
+#include <math.h>
 
 /** \defgroup v2_api The Version 2 API
 
diff --git a/nc_test4/tst_converts2.c b/nc_test4/tst_converts2.c
index c5a2566b4..1e870e981 100644
--- a/nc_test4/tst_converts2.c
+++ b/nc_test4/tst_converts2.c
@@ -10,7 +10,7 @@
 #include <nc_tests.h>
 #include "err_macros.h"
 #include "netcdf.h"
-#include "math.h"
+#include <math.h>
 
 #define FILE_NAME "tst_converts2.nc"
 #define VAR_NAME "Monkey"