diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0a7cdea9768f4ffe04cabccac24d7efecaadcbbd..857c607ef4702d809193550caac92155efb26818 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -21,10 +21,11 @@ set(SOURCE_FILES
 )
 
 file(MAKE_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/sand-wedge-data")
-dune_symlink_to_source_files("sand-wedge-data/boundaryconditions.py")
-dune_symlink_to_source_files("sand-wedge-data/parset.cfg")
-dune_symlink_to_source_files("sand-wedge-data/parset-2D.cfg")
-dune_symlink_to_source_files("sand-wedge-data/parset-3D.cfg")
+dune_symlink_to_source_files(FILES
+  "sand-wedge-data/boundaryconditions.py"
+  "sand-wedge-data/parset.cfg"
+  "sand-wedge-data/parset-2D.cfg"
+  "sand-wedge-data/parset-3D.cfg")
 
 foreach(_dim 2 3)
   set(_target sand-wedge-${_dim}D)