diff --git a/news/3905.bugfix b/news/3905.bugfix
new file mode 100644
index 0000000..9602f44
--- /dev/null
+++ b/news/3905.bugfix
@@ -0,0 +1,2 @@
+Fix TinyMCE format icon names.
+[petschki]
diff --git a/src/plone/base/interfaces/controlpanel.py b/src/plone/base/interfaces/controlpanel.py
index c1dca1c..33eaa8f 100644
--- a/src/plone/base/interfaces/controlpanel.py
+++ b/src/plone/base/interfaces/controlpanel.py
@@ -440,10 +440,10 @@ class ITinyMCELayoutSchema(Interface):
             "Bold|bold|bold",
             "Italic|italic|italic",
             "Underline|underline|underline",
-            "Strikethrough|strikethrough|strikethrough",
+            "Strikethrough|strikethrough|strike-through",
             "Superscript|superscript|superscript",
             "Subscript|subscript|subscript",
-            "Code|code|code",
+            "Code|code|sourcecode",
             "Text in 2 columns|textcolumns2",
             "Text in 3 columns|textcolumns3",
         ],