diff --git a/arch/arm/src/lm3s/lm3s_ssi.c b/arch/arm/src/lm3s/lm3s_ssi.c
index a880d2b239..4370a05fe7 100755
--- a/arch/arm/src/lm3s/lm3s_ssi.c
+++ b/arch/arm/src/lm3s/lm3s_ssi.c
@@ -760,10 +760,16 @@ static inline struct lm32_ssidev_s *ssi_mapirq(int irq)
 static int ssi_interrupt(int irq, void *context)
 {
   struct lm32_ssidev_s *priv = ssi_mapirq(irq);
+  uint32 regval;
   int ntxd;
 
   DEBUGASSERT(priv != NULL);
 
+  /* Clear pending interrupts */
+
+  regval = ssi_getreg(priv, LM3S_SSI_RIS_OFFSET);
+  ssi_putreg(priv, LM3S_SSI_ICR_OFFSET, regval);
+
   /* Handle outgoing Tx FIFO transfers */
 
   ntxd = ssi_performtx(priv);