diff --git a/graphics/luminance-qt5/Makefile b/graphics/luminance-qt5/Makefile
index cc21ac2feba5..062b0395c9f5 100644
--- a/graphics/luminance-qt5/Makefile
+++ b/graphics/luminance-qt5/Makefile
@@ -28,6 +28,8 @@ INSTALLS_ICONS=	yes
 
 MAKE_JOBS_UNSAFE=yes
 
+CONFLICTS_INSTALL=	luminance-hdr-qt5-*
+
 OPTIONS_DEFINE=	DOCS
 
 .include <bsd.port.pre.mk>
diff --git a/graphics/luminance/Makefile b/graphics/luminance/Makefile
index 92ccd9b6dc59..e557b3a13b78 100644
--- a/graphics/luminance/Makefile
+++ b/graphics/luminance/Makefile
@@ -26,6 +26,8 @@ USE_QT4=	gui sql webkit xml linguist_build moc_build qmake_build \
 		rcc_build uic_build imageformats_run
 INSTALLS_ICONS=	yes
 
+CONFLICTS_INSTALL=	luminance-hdr-qt5-*
+
 OPTIONS_DEFINE=	DOCS
 
 post-patch: