diff --git a/client/tlclient/icons/Makefile b/client/tlclient/icons/Makefile
index a388fb412..a2cd01157 100644
--- a/client/tlclient/icons/Makefile
+++ b/client/tlclient/icons/Makefile
@@ -134,7 +134,10 @@ WEB_BASE_ICONS := $(WEB_ICON_SIZES_REVERSE:%=icon_%.png)
 # General conversion
 icon_%.png: thinlinc_icon.svg
 	cbrun i386 convert -depth 8 \
-		-background transparent -size $*x$* "$(lastword $^)" "$@"
+		-background transparent -size $*x$* "$(lastword $^)" \
+		-font Roboto-Bold -pointsize `bc <<< 'scale=2; $*/1.8'` -fill "#00ff00" \
+		-draw "gravity Center text +0+0 \"$*\"" \
+	"$@"
 
 $(IOS_SIZES:%=icon_opaque_%.png): thinlinc_icon.svg
 $(IPAD_SIZES:%=icon_opaque_%.png): thinlinc_icon_76.svg
@@ -145,7 +148,10 @@ $(IOS_NOTIFY_SIZES:%=icon_opaque_%.png): thinlinc_icon_114.svg
 
 icon_opaque_%.png:
 	cbrun i386 convert -depth 8 \
-		-background white -size $*x$* "$(lastword $^)" "$@"
+		-background white -size $*x$* "$(lastword $^)" \
+		-font Roboto-Bold -pointsize `bc <<< 'scale=2; $*/1.8'` -fill "#ff00ff" \
+		-draw "gravity Center text +0+0 \"$*\"" \
+	"$@"
 
 icon.ico: $(WEB_BASE_ICONS)
 	cbrun i386 convert $(WEB_BASE_ICONS) "$@"