diff --git a/debian/control b/debian/control
index f966990..549c98a 100644
--- a/debian/control
+++ b/debian/control
@@ -7,7 +7,7 @@ Build-Depends:
  dh-python,
  cmake (>= 3.16),
  ninja-build,
- pkg-config,
+ pkgconf,
  gettext,
  python3-dev,
  python3-dateutil,
diff --git a/init/CMakeLists.txt b/init/CMakeLists.txt
index 444b653..f7afd62 100644
--- a/init/CMakeLists.txt
+++ b/init/CMakeLists.txt
@@ -22,11 +22,11 @@ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/bongo.tmpfiles.in
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/bongo.sysusers.in
                ${CMAKE_CURRENT_BINARY_DIR}/bongo-user.conf @ONLY)
 
-set(SYSTEMD_SYSTEM_UNIT_DIR "lib/systemd/system" CACHE PATH
+set(SYSTEMD_SYSTEM_UNIT_DIR "lib/systemd/system" CACHE STRING
     "Directory for systemd system service units")
-set(SYSTEMD_TMPFILES_DIR "lib/tmpfiles.d" CACHE PATH
+set(SYSTEMD_TMPFILES_DIR "lib/tmpfiles.d" CACHE STRING
     "Directory for systemd tmpfiles configuration")
-set(SYSTEMD_SYSUSERS_DIR "lib/sysusers.d" CACHE PATH
+set(SYSTEMD_SYSUSERS_DIR "lib/sysusers.d" CACHE STRING
     "Directory for systemd sysusers configuration")
 option(INSTALL_SYSTEMD_UNITS "Install systemd service and tmpfiles files" ON)
 option(INSTALL_FAIL2BAN_RULES "Install Fail2ban filter and disabled jail template" ON)