diff --git a/ompi/mpi/java/c/mpi_Intracomm.c b/ompi/mpi/java/c/mpi_Intracomm.c
index a1bfdef3f7..9e7248c100 100644
--- a/ompi/mpi/java/c/mpi_Intracomm.c
+++ b/ompi/mpi/java/c/mpi_Intracomm.c
@@ -25,6 +25,9 @@
 #include "ompi_config.h"
 
 #include <stdlib.h>
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
 #ifdef HAVE_TARGETCONDITIONALS_H
 #include <TargetConditionals.h>
 #endif