diff --git a/R/tm_layers_lines.R b/R/tm_layers_lines.R
index 3a5298c1..51f5e663 100644
--- a/R/tm_layers_lines.R
+++ b/R/tm_layers_lines.R
@@ -173,7 +173,7 @@ tm_lines = function(col = tm_const(),
 			v3_tm_legend_hide(layer_fun, arg = "legend.col.show", vv = "col")
 			lwd.legend = tm_legend_hide()
 		} else {
-			col.legend.args = list(title = v3_impute(args, "title.col", NA, "title"),
+			col.legend.args = alist(title = v3_impute(args, "title.col", NA, "title"),
 									na.show = v3_impute(args, "showNA", NA),
 									format = v3_impute(args, "legend.format", list(), "format"),
 									orientation = ifelse(v3_impute(args, "legend.col.is.portrait", TRUE, "orientation"), "portrait", "landscape"),
@@ -197,7 +197,7 @@ tm_lines = function(col = tm_const(),
 			v3_tm_legend_hide(layer_fun, arg = "legend.lwd.show", vv = "lwd")
 			lwd.legend = tm_legend_hide()
 		} else {
-			lwd.legend.args = list(title = v3_impute(args, "title.lwd", NA, "title"),
+			lwd.legend.args = alist(title = v3_impute(args, "title.lwd", NA, "title"),
 								   na.show = v3_impute(args, "showNA", NA),
 								   format = v3_impute(args, "legend.format", list(), "format"),
 								   orientation = ifelse(v3_impute(args, "legend.lwd.is.portrait", FALSE), "portrait", "landscape"),
diff --git a/R/tm_layers_polygons.R b/R/tm_layers_polygons.R
index fe270ed8..ac648ef3 100644
--- a/R/tm_layers_polygons.R
+++ b/R/tm_layers_polygons.R
@@ -235,7 +235,7 @@ tm_polygons = function(fill = tm_const(),
 			v3_tm_legend_hide(layer_fun, arg = "legend.show", vv = "fill")
 			fill.legend = tm_legend_hide()
 		} else {
-			fill.legend.args = list(title = v3_impute(args, "title", NA),
+			fill.legend.args = alist(title = v3_impute(args, "title", NA),
 									na.show = v3_impute(args, "showNA", NA, "na.show"),
 									format = v3_impute(args, "legend.format", list(), "format"),
 									orientation = ifelse(v3_impute(args, "legend.is.portrait", TRUE, "orientation"), "portrait", "landscape"),
@@ -327,10 +327,11 @@ tm_polygons = function(fill = tm_const(),
 #' @export
 tm_fill = function(...) {
 	args = list(...)
+	# tricks to make backward comp. work
 	if (!("col" %in% names(args))) {
 		args$col = NA
 	}
-	args$called_from = "tm_fill"
+	args$called_from = if (names(args)[1] == "") "tm_fill" else  "tm_polygons"
 	do.call(tm_polygons, args)
 }
 
diff --git a/R/tm_layers_raster.R b/R/tm_layers_raster.R
index f95f1321..764be215 100644
--- a/R/tm_layers_raster.R
+++ b/R/tm_layers_raster.R
@@ -151,7 +151,7 @@ tm_raster = function(col = tm_shape_vars(),
 			v3_tm_legend_hide(layer_fun, arg = "legend.show", vv = "col")
 			lwd.legend = tm_legend_hide()
 		} else {
-			col.legend.args = list(title = v3_impute(args, "title", NA, "title"),
+			col.legend.args = alist(title = v3_impute(args, "title", NA, "title"),
 								   na.show = v3_impute(args, "showNA", NA),
 								   format = v3_impute(args, "legend.format", list(), "format"),
 								   orientation = ifelse(v3_impute(args, "legend.is.portrait", TRUE, "orientation"), "portrait", "landscape"),
diff --git a/R/tm_layers_symbols.R b/R/tm_layers_symbols.R
index 64682ca1..f5ee7092 100644
--- a/R/tm_layers_symbols.R
+++ b/R/tm_layers_symbols.R
@@ -381,7 +381,7 @@ v3_symbols = function(args, args_called) {
 			v3_tm_legend_hide(layer_fun, arg = "legend.show", vv = "fill")
 			fill.legend = tm_legend_hide()
 		} else {
-			fill.legend.args = list(title = v3_impute(args, "title.col", NA, "title"),
+			fill.legend.args = list(atitle = v3_impute(args, "title.col", NA, "title"),
 									na.show = v3_impute(args, "showNA", NA, "na.show"),
 									format = v3_impute(args, "legend.format", list(), "format"),
 									orientation = ifelse(v3_impute(args, "legend.is.portrait", TRUE, "orientation"), "portrait", "landscape"),
@@ -410,7 +410,7 @@ v3_symbols = function(args, args_called) {
 			v3_tm_legend_hide(layer_fun, arg = "legend.size.show", vv = "size")
 			size.legend = tm_legend_hide()
 		} else {
-			size.legend.args = list(title = v3_impute(args, "title.size", NA, "title"),
+			size.legend.args = alist(title = v3_impute(args, "title.size", NA, "title"),
 									na.show = v3_impute(args, "showNA", NA),
 									format = v3_impute(args, "legend.format", list(), "format"),
 									orientation = ifelse(v3_impute(args, "legend.size.is.portrait", FALSE), "portrait", "landscape"),
@@ -460,7 +460,7 @@ v3_symbols = function(args, args_called) {
 			v3_tm_legend_hide(layer_fun, arg = "legend.shape.show", vv = "shape")
 			shape.legend = tm_legend_hide()
 		} else {
-			shape.legend.args = list(title = v3_impute(args, "title.shape", NA),
+			shape.legend.args = alist(title = v3_impute(args, "title.shape", NA),
 									 na.show = v3_impute(args, "shape.showNA ", NA),
 									 format = v3_impute(args, "legend.format", list(), "format"),
 									 orientation = ifelse(v3_impute(args, "legend.shape.is.portrait", TRUE), "portrait", "landscape"),
diff --git a/R/tm_layers_text.R b/R/tm_layers_text.R
index 5564f6a3..8e8e15fb 100644
--- a/R/tm_layers_text.R
+++ b/R/tm_layers_text.R
@@ -296,7 +296,7 @@ tm_text = function(text = tm_const(),
 		col.scale = do.call("tm_scale", args = col.scale.args)		
 		
 		v3_list_init()
-		col.legend.args = list(title = v3_impute(args, "title.col", NA, "title"),
+		col.legend.args = alist(title = v3_impute(args, "title.col", NA, "title"),
 								show = v3_impute(args, "legend.col.show", NULL, "show"),
 								na.show = v3_impute(args, "showNA", NA, "na.show"),
 								format = v3_impute(args, "legend.format", list(), "format"),
@@ -329,7 +329,7 @@ tm_text = function(text = tm_const(),
 		
 		
 		v3_list_init()
-		size.legend.args = list(title = v3_impute(args, "title.size", NA, "title"),
+		size.legend.args = alist(title = v3_impute(args, "title.size", NA, "title"),
 							   show = v3_impute(args, "legend.size.show", NULL, "show"),
 							   na.show = v3_impute(args, "showNA", NA, "na.show"),
 							   format = v3_impute(args, "legend.format", list(), "format"),