diff --git a/GNNLux/test/layers/conv_tests.jl b/GNNLux/test/layers/conv_tests.jl
index 380b9bc7a..60cac0fe4 100644
--- a/GNNLux/test/layers/conv_tests.jl
+++ b/GNNLux/test/layers/conv_tests.jl
@@ -1,5 +1,6 @@
 @testitem "layers/conv" setup=[SharedTestSetup] begin
     rng = StableRNG(1234)
+    edims = 10
     g = GNNGraph(g, edata = rand(Float32, edim, g.num_edges)) 
     in_dims = 3
     out_dims = 5