diff --git a/sys/dev/msk/if_msk.c b/sys/dev/msk/if_msk.c
index e15ccfe738d2..1c871a80d4d4 100644
--- a/sys/dev/msk/if_msk.c
+++ b/sys/dev/msk/if_msk.c
@@ -3594,6 +3594,7 @@ msk_intr(void *xsc)
 	    (sc->msk_pflags & MSK_FLAG_SUSPEND) != 0 ||
 	    (status & sc->msk_intrmask) == 0) {
 		CSR_WRITE_4(sc, B0_Y2_SP_ICR, 2);
+		MSK_UNLOCK(sc);
 		return;
 	}