diff --git a/geekworm-naspi/DEBIAN/postrm b/geekworm-naspi/DEBIAN/postrm
index de79f23..25e8645 100644
--- a/geekworm-naspi/DEBIAN/postrm
+++ b/geekworm-naspi/DEBIAN/postrm
@@ -3,7 +3,7 @@
 set -e
 set -u
 
-BOOT=$(/usr/bin/grep '/boot' '/etc/fstab' | /usr/bin/mawk '$1 !~ /^#/ && $2 ~ /^[/]/ {print $2}')
+BOOT=$(/usr/bin/grep '/boot' '/etc/fstab' | /usr/bin/awk '$1 !~ /^#/ && $2 ~ /^[/]/ {print $2}')
 /usr/bin/test -n "${BOOT}"
 
 if [ -d '/run/systemd/system' ]; then
diff --git a/geekworm-naspi/DEBIAN/preinst b/geekworm-naspi/DEBIAN/preinst
index 7824c69..bad8247 100644
--- a/geekworm-naspi/DEBIAN/preinst
+++ b/geekworm-naspi/DEBIAN/preinst
@@ -3,7 +3,7 @@
 set -e
 set -u
 
-BOOT=$(/usr/bin/grep '/boot' '/etc/fstab' | /usr/bin/mawk '$1 !~ /^#/ && $2 ~ /^[/]/ {print $2}')
+BOOT=$(/usr/bin/grep '/boot' '/etc/fstab' | /usr/bin/awk '$1 !~ /^#/ && $2 ~ /^[/]/ {print $2}')
 /usr/bin/test -n "${BOOT}"
 
 
diff --git a/geekworm-naspi/usr/lib/geekworm-naspi/pwmd b/geekworm-naspi/usr/lib/geekworm-naspi/pwmd
index f4e893f..01b5663 100644
--- a/geekworm-naspi/usr/lib/geekworm-naspi/pwmd
+++ b/geekworm-naspi/usr/lib/geekworm-naspi/pwmd
@@ -28,7 +28,7 @@ PWM_CHIP_PATH='/sys/class/pwm/pwmchip0'
 ###
 
 function num_compare () {
-  /usr/bin/mawk "BEGIN {exit !($*)}"
+  /usr/bin/awk "BEGIN {exit !($*)}"
 }
 
 function pwm_get_chip_path () {
@@ -61,7 +61,7 @@ function pwm_create () {
 
 function frequency_to_period () {
   local FREQUENCY="${1}"
-  PERC=$(/usr/bin/mawk -v freq="${FREQUENCY}" 'BEGIN { printf "%.0f", 1 / freq * 1000 * 1000000; exit(0) }')
+  PERC=$(/usr/bin/awk -v freq="${FREQUENCY}" 'BEGIN { printf "%.0f", 1 / freq * 1000 * 1000000; exit(0) }')
   /usr/bin/echo "${PERC}"
 }
 
@@ -73,7 +73,7 @@ function pwm_change_duty_cycle () {
     return 1
   fi
   PERIOD=$(frequency_to_period "${FREQUENCY}")
-  NEW_DUTY_CYCLE=$(/usr/bin/mawk -v period="${PERIOD}" -v dc="${DUTY_CYCLE}" 'BEGIN { printf "%.0f", period * dc / 100; exit(0) }')
+  NEW_DUTY_CYCLE=$(/usr/bin/awk -v period="${PERIOD}" -v dc="${DUTY_CYCLE}" 'BEGIN { printf "%.0f", period * dc / 100; exit(0) }')
   /usr/bin/echo "${NEW_DUTY_CYCLE}" > "$(pwm_get_channel_path "${CHANNEL}" 'duty_cycle')"
 }