diff --git a/app/src/main/java/eu/faircode/email/HtmlHelper.java b/app/src/main/java/eu/faircode/email/HtmlHelper.java
index 94e379545e..e3595116cc 100644
--- a/app/src/main/java/eu/faircode/email/HtmlHelper.java
+++ b/app/src/main/java/eu/faircode/email/HtmlHelper.java
@@ -795,7 +795,7 @@ public class HtmlHelper {
             // separate columns
             if (hasVisibleContent(col.childNodes()))
                 if (col.nextElementSibling() != null)
-                    col.appendText(" ");
+                    col.appendText("\u2003"); // em space
 
             if ("th".equals(col.tagName()))
                 col.tagName("strong");