diff --git a/src/SolidStateDetector/SigGenInterface.jl b/src/SolidStateDetector/SigGenInterface.jl
index 9ce2866c5..67434046f 100644
--- a/src/SolidStateDetector/SigGenInterface.jl
+++ b/src/SolidStateDetector/SigGenInterface.jl
@@ -88,14 +88,13 @@ function readsiggen(file_path::String; T::Type=Float64)
             if key == "wp_name" || key == "drift_name" || key == "field_name"
                 config[key] = string(file[key])
             elseif key == "taper_angle" && parse(Float64, file["taper_angle"]) != 0
-                config["outer_taper_width"] = tan(2*pi*parse(T, file[key])/360)*parse(T, file["outer_taper_length"])
+                config["outer_taper_width"] = tan(deg2rad(parse(T, file[key]))) * parse(T, file["outer_taper_length"])
+                config["inner_taper_width"] = tan(deg2rad(parse(T, file[key]))) * parse(T, file["inner_taper_length"])
                 config[key]                 = parse(T, file[key])
-
             else
                 config[key] = parse(T, file[key])
             end
         end
-
     end
     return config
 end