diff --git a/script/get_git_rev.sh b/script/get_git_rev.sh
index 61813b1c..04725651 100755
--- a/script/get_git_rev.sh
+++ b/script/get_git_rev.sh
@@ -2,8 +2,8 @@
 
 DIR=$1
 FILE=$2
-GIT=$(which git)
-SED=$(which sed)
+GIT=$(command -v git)
+SED=$(command -v sed)
 
 if [ -d "${DIR}/.git/" ] && [ -n "${GIT}" ]
 then
diff --git a/script/rofi-theme-selector b/script/rofi-theme-selector
index e0cb8581..1dab0686 100755
--- a/script/rofi-theme-selector
+++ b/script/rofi-theme-selector
@@ -3,9 +3,9 @@
 # This code is released in public domain by Dave Davenport <qball@gmpclient.org>
 #
 
-ROFI=$(which rofi)
-SED=$(which sed)
-MKTEMP=$(which mktemp)
+ROFI=$(command -v rofi)
+SED=$(command -v sed)
+MKTEMP=$(command -v mktemp)
 
 if [ -z "${SED}" ]
 then