diff --git a/src/mca/bmi/bmi.h b/src/mca/bmi/bmi.h
index de35ebbb31..3a560804bb 100644
--- a/src/mca/bmi/bmi.h
+++ b/src/mca/bmi/bmi.h
@@ -180,6 +180,7 @@ OBJ_CLASS_DECLARATION(mca_bmi_base_descriptor_t);
                                                                                                                
 #define MCA_BMI_DES_FLAGS_BMI  0x0001
 #define MCA_BMI_DES_FLAGS_PML  0x0002
+#define MCA_BMI_DES_FLAGS_PRIORITY 0x0004
 #define MCA_BMI_DES_MAX_SEGMENTS 16