diff --git a/examples/H5Part/read_canonicalview.c b/examples/H5Part/read_canonicalview.c
index 0ccc2cf..ee7c62d 100644
--- a/examples/H5Part/read_canonicalview.c
+++ b/examples/H5Part/read_canonicalview.c
@@ -9,6 +9,8 @@
 
 #include "H5hut.h"
 
+#include <stdlib.h>
+
 // name of input file
 const char* fname = "example_setview.h5";
 
diff --git a/examples/H5Part/read_core_vfd.c b/examples/H5Part/read_core_vfd.c
index e2aae96..4e4ca0b 100644
--- a/examples/H5Part/read_core_vfd.c
+++ b/examples/H5Part/read_core_vfd.c
@@ -15,6 +15,8 @@
 */
 #include "H5hut.h"
 
+#include <stdlib.h>
+
 // name of input file
 const char* fname = "example_core_vfd.h5";
 
diff --git a/examples/H5Part/read_setnparticles.c b/examples/H5Part/read_setnparticles.c
index 773b4a3..12f6366 100644
--- a/examples/H5Part/read_setnparticles.c
+++ b/examples/H5Part/read_setnparticles.c
@@ -9,6 +9,8 @@
 
 #include "H5hut.h"
 
+#include <stdlib.h>
+
 // name of input file
 const char* fname = "example_setnparticles.h5";
 
diff --git a/examples/H5Part/read_setview.c b/examples/H5Part/read_setview.c
index f0f5fd9..85c28fe 100644
--- a/examples/H5Part/read_setview.c
+++ b/examples/H5Part/read_setview.c
@@ -9,6 +9,8 @@
 
 #include "H5hut.h"
 
+#include <stdlib.h>
+
 // name of input file
 const char* fname = "example_setview.h5";
 
diff --git a/examples/H5Part/read_strided.c b/examples/H5Part/read_strided.c
index 3eec1b7..ed80d97 100644
--- a/examples/H5Part/read_strided.c
+++ b/examples/H5Part/read_strided.c
@@ -9,6 +9,8 @@
 
 #include "H5hut.h"
 
+#include <stdlib.h>
+
 // name of input file
 const char* fname = "example_strided.h5";