diff --git a/tests/38-basic-pfc_coverage.sh b/tests/38-basic-pfc_coverage.sh
index d22947ac..aec34b77 100755
--- a/tests/38-basic-pfc_coverage.sh
+++ b/tests/38-basic-pfc_coverage.sh
@@ -18,7 +18,7 @@
 #
 function check_deps() {
 	[[ -z "$1" ]] && return
-	which "$1" >& /dev/null
+	type -P "$1" >& /dev/null
 	return $?
 }
 
diff --git a/tests/55-basic-pfc_binary_tree.sh b/tests/55-basic-pfc_binary_tree.sh
index a12c69ce..655f7bd1 100755
--- a/tests/55-basic-pfc_binary_tree.sh
+++ b/tests/55-basic-pfc_binary_tree.sh
@@ -18,7 +18,7 @@
 #
 function check_deps() {
 	[[ -z "$1" ]] && return
-	which "$1" >& /dev/null
+	type -P "$1" >& /dev/null
 	return $?
 }
 
diff --git a/tests/regression b/tests/regression
index a1be57d4..ff2be56d 100755
--- a/tests/regression
+++ b/tests/regression
@@ -73,7 +73,7 @@ GLBL_SYS_API="../tools/scmp_api_level"
 #
 function check_deps() {
 	[[ -z "$1" ]] && return
-	which "$1" >& /dev/null
+	type -P "$1" >& /dev/null
 	return $?
 }
 
diff --git a/tests/testgen b/tests/testgen
index 5a940e86..d0408c72 100755
--- a/tests/testgen
+++ b/tests/testgen
@@ -32,7 +32,7 @@
 #
 function verify_deps() {
 	[[ -z "$1" ]] && return
-	if ! which "$1" >& /dev/null; then
+	if ! type -P "$1" >& /dev/null; then
 		echo "error: install \"$1\" and include it in your \$PATH"
 		exit 1
 	fi