diff --git a/sys/dev/jme/if_jme.c b/sys/dev/jme/if_jme.c
index 647447032b83..d77b63fccea8 100644
--- a/sys/dev/jme/if_jme.c
+++ b/sys/dev/jme/if_jme.c
@@ -557,7 +557,7 @@ jme_map_intr_vector(struct jme_softc *sc)
 	bzero(map, sizeof(map));
 
 	/* Map Tx interrupts source to MSI/MSIX vector 2. */
-	map[MSINUM_REG_INDEX(N_INTR_TXQ0_COMP)] =
+	map[MSINUM_REG_INDEX(N_INTR_TXQ0_COMP)] |=
 	    MSINUM_INTR_SOURCE(2, N_INTR_TXQ0_COMP);
 	map[MSINUM_REG_INDEX(N_INTR_TXQ1_COMP)] |=
 	    MSINUM_INTR_SOURCE(2, N_INTR_TXQ1_COMP);
@@ -579,37 +579,37 @@ jme_map_intr_vector(struct jme_softc *sc)
 	    MSINUM_INTR_SOURCE(2, N_INTR_TXQ_COAL_TO);
 
 	/* Map Rx interrupts source to MSI/MSIX vector 1. */
-	map[MSINUM_REG_INDEX(N_INTR_RXQ0_COMP)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ0_COMP)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ0_COMP);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ1_COMP)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ1_COMP)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ1_COMP);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ2_COMP)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ2_COMP)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ2_COMP);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ3_COMP)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ3_COMP)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ3_COMP);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ0_DESC_EMPTY)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ0_DESC_EMPTY)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ0_DESC_EMPTY);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ1_DESC_EMPTY)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ1_DESC_EMPTY)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ1_DESC_EMPTY);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ2_DESC_EMPTY)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ2_DESC_EMPTY)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ2_DESC_EMPTY);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ3_DESC_EMPTY)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ3_DESC_EMPTY)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ3_DESC_EMPTY);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ0_COAL)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ0_COAL)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ0_COAL);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ1_COAL)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ1_COAL)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ1_COAL);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ2_COAL)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ2_COAL)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ2_COAL);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ3_COAL)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ3_COAL)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ3_COAL);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ0_COAL_TO)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ0_COAL_TO)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ0_COAL_TO);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ1_COAL_TO)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ1_COAL_TO)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ1_COAL_TO);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ2_COAL_TO)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ2_COAL_TO)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ2_COAL_TO);
-	map[MSINUM_REG_INDEX(N_INTR_RXQ3_COAL_TO)] =
+	map[MSINUM_REG_INDEX(N_INTR_RXQ3_COAL_TO)] |=
 	    MSINUM_INTR_SOURCE(1, N_INTR_RXQ3_COAL_TO);
 
 	/* Map all other interrupts source to MSI/MSIX vector 0. */