diff --git a/rules/functions.mk b/rules/functions.mk
index 565df1d4..7b71f4f4 100644
--- a/rules/functions.mk
+++ b/rules/functions.mk
@@ -214,13 +214,13 @@ define magick_emblum ?=
 	-gravity South \
 	\( -background none \
 		$1 \
+		$(call magick_emblum_filter) \
 		-resize "%[fx:min($$spinepx/100*(100-$$spinemm),$(call mmtopx,12))]"x \
-		$(call magick_sembol_filter) \
 		-splice "x%[fx:$(call mmtopx,5)+$$bleedpx]" \
 	\) -compose SrcOver -composite
 endef
 
-define magick_sembol_filter ?=
+define magick_emblum_filter ?=
 endef
 
 define magick_logo ?=
diff --git a/upgrade-make.sed b/upgrade-make.sed
index 9d521c32..63f06742 100644
--- a/upgrade-make.sed
+++ b/upgrade-make.sed
@@ -891,3 +891,4 @@ s#coveraspect#pageaspect#g
 s#cilt\([wh]..\)\b#binding\1#g
 s#\(include .*casile/\)makefile#\1rules.mk#
 s#\(include .*casile/\)rules$#\1rules.mk#
+s#\bmagick_sembol_filter\b#magick_emblum_filter#g