2 files changed, 2 insertions, 1 deletions
diff --git a/Arduino.mk b/Arduino.mk
index 7c06094..02efc4b 100644
--- a/Arduino.mk
+++ b/Arduino.mk
@@ -1075,7 +1075,7 @@ endif
 
 AVRDUDE_ISP_OPTS = -c $(ISP_PROG) -b $(AVRDUDE_ISP_BAUDRATE)
 
-ifneq ($(strip $(ISP_PROG)),$(filter $(ISP_PROG), usbasp usbtiny))
+ifneq ($(strip $(ISP_PROG)),$(filter $(ISP_PROG), usbasp usbtiny gpio))
     AVRDUDE_ISP_OPTS += -P $(call get_isp_port)
 endif
 
diff --git a/HISTORY.md b/HISTORY.md
index 7d0eaa2..2a6c5a5 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -7,6 +7,7 @@ I tried to give credit whenever possible. If I have missed anyone, kindly add it
 ### 1.3.2 (in development)
 - Fix: Add arduino-mk-vars.md file to RPM SPECfile. (https://github.com/sej7278)
 - Fix: Add avr-libc/malloc.c and realloc.c to included core files. Fixes issue #163 (https://github.com/sej7278)
+- Fix: Add "gpio" to the list of isp that don't have a port. (Issue #165, #166) (@sej7278)
 
 ### 1.3.1 (2014-02-04)
 - Fix: BUNDLED_AVR_TOOLS_DIR is now set properly when using only arduino-core and not the whole arduino package. (https://github.com/sej7278)