diff --git a/var/spack/repos/builtin/packages/ecp-data-vis-sdk/package.py b/var/spack/repos/builtin/packages/ecp-data-vis-sdk/package.py
index d33cd410b00..43214a48234 100644
--- a/var/spack/repos/builtin/packages/ecp-data-vis-sdk/package.py
+++ b/var/spack/repos/builtin/packages/ecp-data-vis-sdk/package.py
@@ -187,7 +187,7 @@ class EcpDataVisSdk(BundlePackage, CudaPackage, ROCmPackage):
     )
     # TODO: When Ascent is updated to use VTK-m >= 1.8 move examples to
     # the main spec.
-    depends_on("vtk-m+examples", when="+vtkm ^vtk-m@1.8:")
+    conflicts("^vtk-m~examples", when="+vtkm ^vtk-m@1.8:")
     depends_on("vtk-m+openmp", when="~rocm+vtkm")
     depends_on("vtk-m~openmp", when="+rocm+vtkm")