diff --git a/shell/e-shell-nm.c b/shell/e-shell-nm.c
index 8ec467ebf7..f745dc9406 100644
--- a/shell/e-shell-nm.c
+++ b/shell/e-shell-nm.c
@@ -26,6 +26,7 @@
 #endif
 
 #include <stdio.h>
+#include <string.h>
 #include <glib.h>
 #include <e-shell-window.h>
 #include <Evolution.h>