diff --git a/src/core/input.jl b/src/core/input.jl
index 7a89f6ccd4cedfd3c7dec6e4b8aa9f128910b43f..0efa711ff616797102850f1fc6de33b73d930597 100644
--- a/src/core/input.jl
+++ b/src/core/input.jl
@@ -97,13 +97,13 @@ function preprocessparameters(settings::Dict{String,Any}, defaultoutdir::String)
     end
     # check if input data are present in the working directory or the package directory
     if !isdir(settings["world.mapdirectory"])
-        @warn "$(@param(world.mapdirectory)) not found in current working directory."
+        @warn "$(settings["world.mapdirectory"]) not found in current working directory."
         if isdir(abspath(pkgdir(@__MODULE__), settings["world.mapdirectory"]))
             settings["world.mapdirectory"] = abspath(pkgdir(@__MODULE__), settings["world.mapdirectory"])
-            @warn "Using package directory to load maps: $(@param(world.mapdirectory))."
+            @warn "Using package directory to load maps: $(settings["world.mapdirectory"])."
             #@debug "Using package directory to load map data: $(settings["world.mapdirectory"])".
         else
-            @warn "Couldn't find maps at $(@param(world.mapdirectory))."
+            @warn "Couldn't find maps at $(settings["world.mapdirectory"])."
             #Base.error("Couldn't find map directory $(settings["world.mapdirectory"]).") #FIXME
         end
     end
@@ -112,7 +112,8 @@ function preprocessparameters(settings::Dict{String,Any}, defaultoutdir::String)
             settings["crop.cropdirectory"] = abspath(pkgdir(@__MODULE__), settings["crop.cropdirectory"])
             @debug "Using package directory to load crop data: $(settings["crop.cropdirectory"])".
         else
-            Base.error("Couldn't find crop directory $(settings["crop.cropdirectory"]).")
+            #Base.error("Couldn't find crop directory $(settings["crop.cropdirectory"]).")
+            @warn "Couldn't find crop directory $(settings["crop.cropdirectory"])."
         end
     end
     # sanity checks