diff --git a/opal/mca/paffinity/linux/paffinity_linux_component.c b/opal/mca/paffinity/linux/paffinity_linux_component.c
index 8f7ee475dc..8bb8c1e2e8 100644
--- a/opal/mca/paffinity/linux/paffinity_linux_component.c
+++ b/opal/mca/paffinity/linux/paffinity_linux_component.c
@@ -26,6 +26,8 @@
 #include "opal_config.h"
 
 #include "opal/constants.h"
+#include "opal/mca/base/mca_base_param.h"
+
 #include "opal/mca/paffinity/paffinity.h"
 #include "paffinity_linux.h"