1 files changed, 1 insertions, 1 deletions
diff --git a/Arduino.mk b/Arduino.mk
index 0cdb783..1e840bf 100644
--- a/Arduino.mk
+++ b/Arduino.mk
@@ -1287,7 +1287,7 @@ endif
 AVRDUDE_ISP_OPTS = -c $(ISP_PROG) -b $(AVRDUDE_ISP_BAUDRATE)
 
 ifndef $(ISP_PORT)
-    ifneq ($(strip $(ISP_PROG)),$(filter $(ISP_PROG), usbasp usbtiny gpio))
+    ifneq ($(strip $(ISP_PROG)),$(filter $(ISP_PROG), usbasp usbtiny gpio avrispmkii))
         AVRDUDE_ISP_OPTS += -P $(call get_isp_port)
     endif
 else