diff --git a/src/slurmd/slurmstepd/mgr.c b/src/slurmd/slurmstepd/mgr.c
index aadf83b597d314c7e77550401c5b2d3d1e138faf..1d426b724f15e4c0a10cb2d9e9a510be1bb04525 100644
--- a/src/slurmd/slurmstepd/mgr.c
+++ b/src/slurmd/slurmstepd/mgr.c
@@ -90,6 +90,7 @@
 #include "src/common/util-net.h"
 #include "src/common/forward.h"
 #include "src/common/plugstack.h"
+#include "src/common/mpi.h"
 
 #include "src/slurmd/slurmd/slurmd.h"