diff --git a/nss/nss_db/db-init.c b/nss/nss_db/db-init.c
index 8228d61..85ac48f 100644
--- a/nss/nss_db/db-init.c
+++ b/nss/nss_db/db-init.c
@@ -18,6 +18,7 @@
    02111-1307 USA.  */
 
 #include <paths.h>
+#include <string.h>
 #include <nscd/nscd.h>
 
 
diff --git a/nss/nss_db/db-initgroups.c b/nss/nss_db/db-initgroups.c
index aa8163b..1b806e5 100644
--- a/nss/nss_db/db-initgroups.c
+++ b/nss/nss_db/db-initgroups.c
@@ -22,6 +22,7 @@
 #include <errno.h>
 #include <grp.h>
 #include <paths.h>
+#include <string.h>
 
 #include "nss_db.h"