diff --git a/easybuild/easyconfigs/t/TTK/TTK-1.3.0-foss-2023b.eb b/easybuild/easyconfigs/t/TTK/TTK-1.3.0-foss-2023b.eb
index 9e2deb2ac4e..a3fda35dd7b 100644
--- a/easybuild/easyconfigs/t/TTK/TTK-1.3.0-foss-2023b.eb
+++ b/easybuild/easyconfigs/t/TTK/TTK-1.3.0-foss-2023b.eb
@@ -31,8 +31,9 @@ dependencies = [
 ]
 
 separate_build_dir = True
+build_type = 'Release'
 
-configopts = '-DCMAKE_BUILD_TYPE=Release '
+configopts = ''
 configopts += '-DTTK_ENABLE_EIGEN=ON '
 configopts += '-DEigen3_DIR=$EBROOTEIGEN/share/eigen3/cmake '
 configopts += '-DTTK_BUILD_PARAVIEW_PLUGINS=ON '