diff --git a/drivers/qmimodem/devinfo.c b/drivers/qmimodem/devinfo.c
index 77c6874c..0d66c538 100644
--- a/drivers/qmimodem/devinfo.c
+++ b/drivers/qmimodem/devinfo.c
@@ -23,6 +23,8 @@
 #include <config.h>
 #endif
 
+#include <string.h>
+
 #include <ofono/log.h>
 #include <ofono/modem.h>
 #include <ofono/devinfo.h>