diff -Nru language-selector-0.188.1/debian/changelog language-selector-0.188.2/debian/changelog
--- language-selector-0.188.1/debian/changelog	2018-05-20 19:56:00.000000000 +0000
+++ language-selector-0.188.2/debian/changelog	2019-04-07 14:18:00.000000000 +0000
@@ -1,3 +1,11 @@
+language-selector (0.188.2) bionic-proposed; urgency=medium
+
+  * fontconfig/69-language-selector-ja.conf:
+    Refer to font family more precisely, to prevent that rendering
+    using other fonts is affected unintentionally (LP: #1823461).
+
+ -- Gunnar Hjalmarsson <gunnarhj@ubuntu.com>  Sun, 07 Apr 2019 16:18:00 +0200
+
 language-selector (0.188.1) bionic-proposed; urgency=medium
 
   * LanguageSelector/ImConfig.py:
diff -Nru language-selector-0.188.1/fontconfig/69-language-selector-ja.conf language-selector-0.188.2/fontconfig/69-language-selector-ja.conf
--- language-selector-0.188.1/fontconfig/69-language-selector-ja.conf	2017-10-30 20:10:26.000000000 +0000
+++ language-selector-0.188.2/fontconfig/69-language-selector-ja.conf	2019-04-07 13:30:15.000000000 +0000
@@ -2,11 +2,22 @@
 <!DOCTYPE fontconfig SYSTEM "fonts.dtd">
 <fontconfig>
 	<match target="font">
-		<test qual="all" name="family" compare="contains">
-			<string>Noto</string>
+		<test name="family" compare="contains">
+			<string>Noto Sans CJK JP</string>
 		</test>
-		<test qual="all" name="family" compare="contains">
-			<string>JP</string>
+		<test qual="all" name="pixelsize" compare="less_eq">
+			<double>18</double>
+		</test>
+		<edit mode="assign" name="embeddedbitmap">
+			<bool>false</bool>
+		</edit>
+		<edit mode="assign" name="hintstyle">
+			<const>hintnone</const>
+		</edit>
+	</match>
+	<match target="font">
+		<test name="family" compare="contains">
+			<string>Noto Serif CJK JP</string>
 		</test>
 		<test qual="all" name="pixelsize" compare="less_eq">
 			<double>18</double>