diff --git a/_addons_automation/jrubyscripting/readme.md b/_addons_automation/jrubyscripting/readme.md
index 68be246b6..a23db120f 100644
--- a/_addons_automation/jrubyscripting/readme.md
+++ b/_addons_automation/jrubyscripting/readme.md
@@ -5,6 +5,7 @@ title: JRuby Scripting - Automation
 type: automation
 description: "This add-on provides [JRuby](https://www.jruby.org/) 9.3.1 that can be used as a scripting language within automation rules."
 since: 3x
+logo: images/addons/jrubyscripting.png
 install: manual
 ---
 
diff --git a/_addons_persistences/rrd4j/readme.md b/_addons_persistences/rrd4j/readme.md
index 91ce1a71e..2072b320f 100644
--- a/_addons_persistences/rrd4j/readme.md
+++ b/_addons_persistences/rrd4j/readme.md
@@ -5,6 +5,7 @@ title: rrd4j - Persistence Services
 type: persistence
 description: "The [rrd4j](https://github.com/rrd4j/rrd4j) persistence service is based on a round-robin database."
 since: 3x
+logo: images/addons/rrd4j.png
 install: auto
 ---
 
diff --git a/_addons_transformations/regex/readme.md b/_addons_transformations/regex/readme.md
index 6d0b237f0..a6080c0ef 100644
--- a/_addons_transformations/regex/readme.md
+++ b/_addons_transformations/regex/readme.md
@@ -5,6 +5,7 @@ title: RegEx - Transformation Services
 type: transform
 description: "Transforms a source string on basis of the regular expression (regex) search pattern to a defined result string."
 since: 3x
+logo: images/addons/regex.png
 install: auto
 ---