diff --git a/sys/dev/e1000/if_em.c b/sys/dev/e1000/if_em.c
index 21799bd5ffc..f5e4712e018 100644
--- a/sys/dev/e1000/if_em.c
+++ b/sys/dev/e1000/if_em.c
@@ -5150,8 +5150,8 @@ em_enable_intr(struct adapter *adapter)
 	u32 ims_mask = IMS_ENABLE_MASK;
 
 	if (hw->mac.type == e1000_82574) {
-		E1000_WRITE_REG(hw, EM_EIAC, adapter->ims);
-		ims_mask |= adapter->ims;
+		E1000_WRITE_REG(hw, EM_EIAC, EM_MSIX_MASK);
+		ims_mask |= EM_MSIX_MASK;
 	} 
 	E1000_WRITE_REG(hw, E1000_IMS, ims_mask);
 }