diff --git a/app/flatpak-table-printer.c b/app/flatpak-table-printer.c
index a6ab92b4..8ea60ff7 100644
--- a/app/flatpak-table-printer.c
+++ b/app/flatpak-table-printer.c
@@ -787,6 +787,37 @@ flatpak_table_printer_append_cell_with_comma (FlatpakTablePrinter *printer,
   set_cell (printer, r, c, text, -1, 2);
 }
 
+void
+flatpak_table_printer_append_cell_with_comma_unique (FlatpakTablePrinter *printer,
+                                                     int                  r,
+                                                     int                  c,
+                                                     const char          *text)
+{
+  Row *row;
+  Cell *cell;
+
+  row = (Row *) g_ptr_array_index (printer->rows, r);
+  g_assert (row);
+  cell = (Cell *) g_ptr_array_index (row->cells, c);
+  g_assert (cell);
+
+  /* Look for existing text in comma separated text */
+  if (cell->text != NULL && *text != 0)
+    {
+      gsize len = strlen (text);
+      const char *match = cell->text;
+      while ((match = strstr (match, text)) != NULL)
+        {
+          if (match[len] == 0 || match[len] == ',' )
+            return; /* Already in string, do nothing */
+          /* Look for next match */
+          match = match + len;
+        }
+    }
+
+  set_cell (printer, r, c, text, -1, 2);
+}
+
 void
 flatpak_table_printer_set_decimal_cell (FlatpakTablePrinter *printer,
                                         int                  r,
diff --git a/app/flatpak-table-printer.h b/app/flatpak-table-printer.h
index d36c9548..3dd950de 100644
--- a/app/flatpak-table-printer.h
+++ b/app/flatpak-table-printer.h
@@ -79,6 +79,10 @@ void                flatpak_table_printer_append_cell_with_comma (FlatpakTablePr
                                                                   int                  row,
                                                                   int                  col,
                                                                   const char          *cell);
+void                flatpak_table_printer_append_cell_with_comma_unique (FlatpakTablePrinter *printer,
+                                                                         int                  row,
+                                                                         int                  col,
+                                                                         const char          *cell);
 void                flatpak_table_printer_set_decimal_cell (FlatpakTablePrinter *printer,
                                                             int                  row,
                                                             int                  col,