diff --git a/bin/kaleidoscope-builder b/bin/kaleidoscope-builder
index 55342ed5..054efb8b 100755
--- a/bin/kaleidoscope-builder
+++ b/bin/kaleidoscope-builder
@@ -657,6 +657,11 @@ fi
 ##  - if there is only one argument, that's a command
 
 KALEIDOSCOPE_DIR="$(cd "$(dirname "$0")"/..; pwd)"
+# shellcheck disable=SC2034
+KALEIDOSCOPE_BIN_DIR="${KALEIDOSCOPE_DIR}/bin/"
+
+
+
 
 # shellcheck disable=SC2155
 export SOURCEDIR="$(pwd)"
diff --git a/etc/kaleidoscope-builder.conf b/etc/kaleidoscope-builder.conf
index e36b5b54..bc528f30 100644
--- a/etc/kaleidoscope-builder.conf
+++ b/etc/kaleidoscope-builder.conf
@@ -80,8 +80,7 @@ dump_arduino_prefs() {
 
 find_device_port() {
     find_device_vid_pid
-    DIR=$(dirname "$(readlink -f "$0")")
-    DEVICE_PORT_PROBER="${DIR}/find-device-port-linux-udev"
+    DEVICE_PORT_PROBER="${KALEIDOSCOPE_BIN_DIR}/find-device-port-linux-udev"
     if [[ "${DEVICE_PORT}" = "" ]]; then
       DEVICE_PORT="$(perl ${DEVICE_PORT_PROBER} ${VID} ${SKETCH_PID})"
     else
@@ -97,9 +96,8 @@ reset_device_cmd() {
 
 find_bootloader_ports() {
     find_device_vid_pid
-    DIR=$(dirname "$(readlink -f "$0")")
     BOOTLOADER_VID="${BOOTLOADER_VID:-${VID}}"
-    DEVICE_PORT_PROBER="${DIR}/find-device-port-linux-udev"
+    DEVICE_PORT_PROBER="${KALEIDOSCOPE_BIN_DIR}/find-device-port-linux-udev"
     if [[ "${DEVICE_PORT_BOOTLOADER}" = "" ]]; then
       DEVICE_PORT_BOOTLOADER="$(perl ${DEVICE_PORT_PROBER} ${BOOTLOADER_VID} ${BOOTLOADER_PID})"
     else
@@ -113,8 +111,7 @@ MD5="md5sum"
 if [ "${uname_S}" = "Darwin" ]; then
 
     find_device_port() {
-	DIR=$(dirname "$0")
-	DEVICE_PORT_PROBER="${DIR}/find-device-port-macos"
+	DEVICE_PORT_PROBER="${KALEIDOSCOPE_BIN_DIR}/find-device-port-macos"
         DEVICE_PORT="$(perl ${DEVICE_PORT_PROBER} ${VID} ${SKETCH_PID})"
     }
 
@@ -130,9 +127,8 @@ if [ "${uname_S}" = "Darwin" ]; then
 
     find_bootloader_ports() {
         find_device_vid_pid
-	DIR=$(dirname "$0")
         BOOTLOADER_VID="${BOOTLOADER_VID:-${VID}}"
-	DEVICE_PORT_PROBER="${DIR}/find-device-port-macos"
+	DEVICE_PORT_PROBER="${KALEIDOSCOPE_BIN_DIR}/find-device-port-macos"
         if [[ "${DEVICE_PORT_BOOTLOADER}" = "" ]]; then
           DEVICE_PORT_BOOTLOADER="$(perl ${DEVICE_PORT_PROBER} ${BOOTLOADER_VID} ${BOOTLOADER_PID})"
         else
@@ -143,8 +139,7 @@ if [ "${uname_S}" = "Darwin" ]; then
 elif [ "${uname_S}" = "FreeBSD" ]; then
 
     find_device_port() {
-	DIR=$(dirname "$0")
-	DEVICE_PORT_PROBER="${DIR}/find-device-port-freebsd"
+	DEVICE_PORT_PROBER="${KALEIDOSCOPE_BIN_DIR}/find-device-port-freebsd"
 	DEVICE_PORT="$(perl ${DEVICE_PORT_PROBER})"
     }
 
@@ -161,8 +156,7 @@ elif [ "${uname_S}" = "FreeBSD" ]; then
     ARDUINO_BUILDER="${ARDUINO_BUILDER:-/usr/local/bin/arduino-builder}"
 
     find_bootloader_ports() {
-	DIR=$(dirname "$0")
-	DEVICE_PORT_PROBER="${DIR}/find-device-port-freebsd"
+	DEVICE_PORT_PROBER="${KALEIDOSCPE_BIN_DIR}/find-device-port-freebsd"
 	DEVICE_PORT_BOOTLOADER="$(perl ${DEVICE_PORT_PROBER})"
     }
 
@@ -202,8 +196,7 @@ elif [ "${uname_O}" = "Cygwin" ]; then
 
     find_device_port() {
         find_device_vid_pid
-        DIR=$(dirname "$0")
-        DEVICE_PORT_PROBER="${DIR}/find-device-port-windows.ps1"
+        DEVICE_PORT_PROBER="${KALEIDOSCOPE_BIN_DIR}/find-device-port-windows.ps1"
         DEVICE_PORT="$(powershell -noprofile -executionpolicy bypass ${DEVICE_PORT_PROBER} ${VID} ${SKETCH_PID} -Format Cygwin)"
         DEVICE_COM_PORT="$(powershell -noprofile -executionpolicy bypass ${DEVICE_PORT_PROBER} ${VID} ${SKETCH_PID} -Format COM)"
     }
@@ -214,9 +207,8 @@ elif [ "${uname_O}" = "Cygwin" ]; then
 
     find_bootloader_ports() {
         find_device_vid_pid
-        DIR=$(dirname "$0")
         BOOTLOADER_VID="${BOOTLOADER_VID:-${VID}}"
-        DEVICE_PORT_PROBER="${DIR}/find-device-port-windows.ps1"
+        DEVICE_PORT_PROBER="${KALEIDOSCOPE_BIN_DIR}/find-device-port-windows.ps1"
         DEVICE_PORT_BOOTLOADER="$(powershell -noprofile -executionpolicy bypass ${DEVICE_PORT_PROBER} ${BOOTLOADER_VID} ${BOOTLOADER_PID} -Format COM)"
     }