diff --git a/ompi/mca/common/verbs/common_verbs_qp_type.c b/ompi/mca/common/verbs/common_verbs_qp_type.c
index c3557546e9..292e88046e 100644
--- a/ompi/mca/common/verbs/common_verbs_qp_type.c
+++ b/ompi/mca/common/verbs/common_verbs_qp_type.c
@@ -11,6 +11,9 @@
 #include "ompi_config.h"
 
 #include <stdio.h>
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif  /* HAVE_STRING_H */
 #include <infiniband/verbs.h>
 
 #include "ompi/constants.h"