diff --git a/bluez-qt.spec b/bluez-qt.spec
index 8ad8151..7cc66cf 100644
--- a/bluez-qt.spec
+++ b/bluez-qt.spec
@@ -19,6 +19,11 @@
 %define sonum   6
 %define _libname KF5BluezQt
 %define _tar_path 5.38
+# Full KF5 version (e.g. 5.33.0)
+%{!?_kf5_version: %global _kf5_version %{version}}
+# Last major and minor KF5 version (e.g. 5.33)
+%{!?_kf5_bugfix_version: %global _kf5_bugfix_version %(echo %{_kf5_version} | awk -F. '{print $1"."$2}')}
+%define kf5_version %{version}
 Name:           bluez-qt
 Version:        5.38.0
 Release:        0
@@ -28,7 +33,7 @@ Group:          System/GUI/KDE
 Url:            https://projects.kde.org/attica
 Source:         http://download.kde.org/stable/frameworks/%{_tar_path}/%{name}-%{version}.tar.xz
 BuildRequires:  cmake >= 3.0
-BuildRequires:  extra-cmake-modules >= %{_tar_path}
+BuildRequires:  extra-cmake-modules >= %{_kf5_bugfix_version}
 BuildRequires:  fdupes
 BuildRequires:  kf5-filesystem
 BuildRequires:  udev