diff --git a/Arduino.mk b/Arduino.mk
index 03fdd02..4d901a8 100644
--- a/Arduino.mk
+++ b/Arduino.mk
@@ -1237,10 +1237,8 @@ endif
 # Default avrdude options
 # -V Do not verify
 # -q - suppress progress output
-# -D - Disable auto erase for flash memory
-# (-D is needed for Mega boards. See https://github.com/sudar/Arduino-Makefile/issues/114#issuecomment-25011005)
 ifndef AVRDUDE_OPTS
-    AVRDUDE_OPTS = -q -V -D
+    AVRDUDE_OPTS = -q -V
 endif
 
 AVRDUDE_COM_OPTS = $(AVRDUDE_OPTS) -p $(MCU)
@@ -1248,7 +1246,9 @@ ifdef AVRDUDE_CONF
     AVRDUDE_COM_OPTS += -C $(AVRDUDE_CONF)
 endif
 
-AVRDUDE_ARD_OPTS = -c $(AVRDUDE_ARD_PROGRAMMER) -b $(AVRDUDE_ARD_BAUDRATE) -P
+# -D - Disable auto erase for flash memory
+# (-D is needed for Mega boards. See https://github.com/sudar/Arduino-Makefile/issues/114#issuecomment-25011005)
+AVRDUDE_ARD_OPTS = -D -c $(AVRDUDE_ARD_PROGRAMMER) -b $(AVRDUDE_ARD_BAUDRATE) -P
 ifeq ($(CURRENT_OS), WINDOWS)
     # get_monitor_port checks to see if the monitor port exists, assuming it is
     # a file. In Windows, avrdude needs the port in the format 'com1' which is
diff --git a/HISTORY.md b/HISTORY.md
index 0b82eca..5a9d100 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -31,6 +31,8 @@ I tried to give credit whenever possible. If I have missed anyone, kindly add it
 - Fix: objcopy quoting issue on Windows. (Issue #272). (https://github.com/sej7278)
 - Fix: Add "avrispmkii" to the list of isp that don't have a port. (Issue #279). (https://github.com/sej7278)
 - Fix: Make CXX compile .cpp files instead of CC. (Issue #285). (https://github.com/sej7278)
+- Fix: Changed IDE download URL *again* for Travis-CI. (https://github.com/sej7278)
+- Fix: Allow avrdude to erase the chip before programming during ispload (https://github.com/tchebb)
 
 ### 1.3.4 (2014-07-12)
 - Tweak: Allow spaces in "Serial.begin (....)". (Issue #190) (https://github.com/pdav)
diff --git a/arduino-mk-vars.md b/arduino-mk-vars.md
index f6f001b..73bed78 100644
--- a/arduino-mk-vars.md
+++ b/arduino-mk-vars.md
@@ -1195,7 +1195,7 @@ AVRDUDE_ISP_BAUDRATE = 19200
 
 Options to pass to `avrdude`.
 
-Defaults to `-q -V -D` (quiet, don't verify, don't auto-erase). User values are not *ANDed* to the defaults, you have to set each option you require.
+Defaults to `-q -V` (quiet, don't verify). User values are not *ANDed* to the defaults, you have to set each option you require.
 
 **Example:**
 
diff --git a/tests/script/bootstrap/arduino.sh b/tests/script/bootstrap/arduino.sh
index 0260448..7c2c9ac 100644
--- a/tests/script/bootstrap/arduino.sh
+++ b/tests/script/bootstrap/arduino.sh
@@ -20,7 +20,7 @@ if [ -z "$ARDUINO_DIR" ] || ! test -e $ARDUINO_DIR || [ $OS == "cygwin" ]; then
         EXTRACT_COMMAND="tar -xzf"
     fi
 
-    ARDUINO_URL=http://downloads.arduino.cc/$ARDUINO_FILE
+    ARDUINO_URL=http://arduino.cc/download.php?f=/$ARDUINO_FILE
 
     _pushd $DEPENDENCIES_FOLDER
     if ! test -e $ARDUINO_FILE