diff --git a/api/src/org/labkey/api/data/AJAXDetailsDisplayColumn.java b/api/src/org/labkey/api/data/AJAXDetailsDisplayColumn.java
index c750658316f..6978db798ce 100644
--- a/api/src/org/labkey/api/data/AJAXDetailsDisplayColumn.java
+++ b/api/src/org/labkey/api/data/AJAXDetailsDisplayColumn.java
@@ -23,6 +23,7 @@
 import org.labkey.api.util.ContainerContext;
 import org.labkey.api.util.DOM;
 import org.labkey.api.util.GUID;
+import org.labkey.api.util.HtmlString;
 import org.labkey.api.util.JavaScriptFragment;
 import org.labkey.api.util.StringExpression;
 import org.labkey.api.view.ActionURL;
@@ -109,6 +110,8 @@ public void renderGridCellContents(RenderContext ctx, HtmlWriter out)
                 id(divId),
                 (DOM.Renderable) ret -> {
                     super.renderGridCellContents(ctx, out);
+                    // U+2060 WORD JOINER: prevents a line break between the name and the popup icon
+                    out.write(HtmlString.unsafe("\u2060"));
                     return ret;
                 }
             ).appendTo(out);