diff --git a/src/plot_channelimage.jl b/src/plot_channelimage.jl
index 2fc01203e..15ae51c1c 100644
--- a/src/plot_channelimage.jl
+++ b/src/plot_channelimage.jl
@@ -1,7 +1,7 @@
 function plot_channelimage!(
     f::Union{GridPosition,GridLayout,Figure},
     position::Vector{Point{2, Float32}},
-    plotData::Matrix{<:Real}
+    plotData::Matrix{<:Real},
     raw_ch_names::Vector{String};
     kwargs...,
     )
@@ -42,4 +42,4 @@ function plot_channelimage!(
 
     CairoMakie.Colorbar(gin[1, 2], hm,  label = "Voltage [µV]") 
     return f
-end
\ No newline at end of file
+end