diff --git a/exrenvmap/main.cpp b/exrenvmap/main.cpp
index c5afcc5..5e993b3 100644
--- a/exrenvmap/main.cpp
+++ b/exrenvmap/main.cpp
@@ -45,6 +45,7 @@
 #include <iostream>
 #include <exception>
 #include <stdlib.h>
+#include <string.h>
 
 using namespace Imf;
 using namespace std;
diff --git a/exrmaketiled/main.cpp b/exrmaketiled/main.cpp
index 5ce4e95..f93ec08 100644
--- a/exrmaketiled/main.cpp
+++ b/exrmaketiled/main.cpp
@@ -44,7 +44,7 @@
 
 #include <iostream>
 #include <exception>
-#include <string>
+#include <string.h>
 #include <stdlib.h>
 
 using namespace Imf;