diff --git a/kde-plasma/powerdevil/powerdevil-6.1.49.9999.ebuild b/kde-plasma/powerdevil/powerdevil-6.1.49.9999.ebuild
index 7cc1a9c17e..7052b80cd6 100644
--- a/kde-plasma/powerdevil/powerdevil-6.1.49.9999.ebuild
+++ b/kde-plasma/powerdevil/powerdevil-6.1.49.9999.ebuild
@@ -57,7 +57,7 @@ BDEPEND=">=kde-frameworks/kcmutils-${KFMIN}:6"
 
 src_configure() {
 	local mycmakeargs=(
-		-DHAVE_DDCUTIL=$(usex brightness-control)
+		$(cmake_use_find_package brightness-control DDCUtil)
 		$(cmake_use_find_package caps Libcap)
 	)
 
diff --git a/kde-plasma/powerdevil/powerdevil-9999.ebuild b/kde-plasma/powerdevil/powerdevil-9999.ebuild
index 17c6d44940..e281364910 100644
--- a/kde-plasma/powerdevil/powerdevil-9999.ebuild
+++ b/kde-plasma/powerdevil/powerdevil-9999.ebuild
@@ -57,7 +57,7 @@ BDEPEND=">=kde-frameworks/kcmutils-${KFMIN}:6"
 
 src_configure() {
 	local mycmakeargs=(
-		-DHAVE_DDCUTIL=$(usex brightness-control)
+		$(cmake_use_find_package brightness-control DDCUtil)
 		$(cmake_use_find_package caps Libcap)
 	)