diff --git a/k5test/_utils.py b/k5test/_utils.py
index e289fac..e2f486a 100644
--- a/k5test/_utils.py
+++ b/k5test/_utils.py
@@ -65,12 +65,12 @@ def find_plugin_dir():
 
     # if there was no LD_LIBRARY_PATH, or the above failed
     if _PLUGIN_DIR is None:
-        lib_dir = os.path.join(get_output('krb5-config --prefix'), 'lib64')
+        lib_dir = os.path.join(get_output('@krb5FullDev@/bin/krb5-config --prefix'), 'lib64')
         _PLUGIN_DIR = _decide_plugin_dir(_find_plugin_dirs_installed(lib_dir))
 
     # /usr/lib64 seems only to be distinct on Fedora/RHEL/Centos family
     if _PLUGIN_DIR is None:
-        lib_dir = os.path.join(get_output('krb5-config --prefix'), 'lib')
+        lib_dir = os.path.join(get_output('@krb5FullDev@/bin/krb5-config --prefix'), 'lib')
         _PLUGIN_DIR = _decide_plugin_dir(_find_plugin_dirs_installed(lib_dir))
 
     if _PLUGIN_DIR is not None:
@@ -89,7 +89,7 @@ def _decide_plugin_dir(dirs):
 
     for path in shortest_first:
         # check to see if it actually contains .so files
-        if get_output('find %s -name "*.so"' % path):
+        if get_output('@findutils@/bin/find %s -name "*.so"' % path):
             return path
 
     return None
@@ -97,7 +97,7 @@ def _decide_plugin_dir(dirs):
 
 def _find_plugin_dirs_installed(search_path):
     try:
-        options_raw = get_output('find %s/ -type d \( ! -executable -o ! -readable \) '
+        options_raw = get_output('@findutils@/bin/find %s/ -type d \( ! -executable -o ! -readable \) '
                                  '-prune -o '
                                  '-type d -path "*/krb5/plugins" -print' % search_path,
                                  stderr=subprocess.STDOUT)
@@ -111,7 +111,7 @@ def _find_plugin_dirs_installed(search_path):
 
 
 def _find_plugin_dirs_src(search_path):
-    options_raw = get_output('find %s/../ -type d -name plugins' % search_path)
+    options_raw = get_output('@findutils@/bin/find %s/../ -type d -name plugins' % search_path)
 
     if options_raw:
         return options_raw.split('\n')
diff --git a/k5test/realm.py b/k5test/realm.py
index f57946b..ad78579 100644
--- a/k5test/realm.py
+++ b/k5test/realm.py
@@ -181,19 +181,13 @@ class K5Realm(object):
             return path
 
     def _init_paths(self, **paths):
-        self.kdb5_util = self._discover_path('kdb5_util',
-                                             '/usr/sbin/kdb5_util', paths)
-        self.krb5kdc = self._discover_path('krb5kdc',
-                                           '/usr/sbin/krb5kdc', paths)
-        self.kadmin_local = self._discover_path('kadmin_local',
-                                                '/usr/sbin/kadmin.local',
-                                                paths)
-        self.kprop = self._discover_path('kprop', '/usr/sbin/kprop', paths)
-        self.kadmind = self._discover_path('kadmind',
-                                           '/usr/sbin/kadmind', paths)
-
-        self._kinit = self._discover_path('kinit', '/usr/bin/kinit', paths)
-        self._klist = self._discover_path('klist', '/usr/bin/klist', paths)
+        self.kdb5_util = '@krb5Full@/bin/kdb5_util'
+        self.krb5kdc = '@krb5Full@/bin/krb5kdc'
+        self.kadmin_local = '@krb5Full@/bin/kadmin.local'
+        self.kprop = '@krb5Full@/bin/kprop'
+        self.kadmind = '@krb5Full@/bin/kadmind'
+        self._kinit = '@krb5Full@/bin/kinit'
+        self._klist = '@krb5Full@/bin/klist'
 
     def _create_conf(self, profile, filename):
         with open(filename, 'w') as conf_file:
diff --git a/k5test/unit.py b/k5test/unit.py
index 4ee7f98..543d662 100644
--- a/k5test/unit.py
+++ b/k5test/unit.py
@@ -38,7 +38,7 @@ _KRB_VERSION = None
 def krb_minversion_test(target_version, problem):
     global _KRB_VERSION
     if _KRB_VERSION is None:
-        _KRB_VERSION = _utils.get_output("krb5-config --version")
+        _KRB_VERSION = _utils.get_output("@krb5FullDev@/bin/krb5-config --version")
         _KRB_VERSION = _KRB_VERSION.split(' ')[-1].split('.')
 
     def make_ext_test(func):