diff --git a/ubo-common/src/main/resources/META-INF/resources/scss/_ubo-common.scss b/ubo-common/src/main/resources/META-INF/resources/scss/_ubo-common.scss
index b7bad939b..e00bcf255 100644
--- a/ubo-common/src/main/resources/META-INF/resources/scss/_ubo-common.scss
+++ b/ubo-common/src/main/resources/META-INF/resources/scss/_ubo-common.scss
@@ -147,6 +147,10 @@
     content: "* \00A0";
   }
 
+  .ubo-duplicateid-link::after {
+    content: " ";
+  }
+
 // Large devices (desktops) and below: <= 1200px
 @include media-breakpoint-down(lg) {
 // add/overwrite styles for responsive level lg and lower
diff --git a/ubo-common/src/main/resources/xsl/duplicates.xsl b/ubo-common/src/main/resources/xsl/duplicates.xsl
index 36dd6cfb4..537f747b8 100644
--- a/ubo-common/src/main/resources/xsl/duplicates.xsl
+++ b/ubo-common/src/main/resources/xsl/duplicates.xsl
@@ -71,10 +71,12 @@
 </xsl:template>
 
 <xsl:template match="id">
-  <a href="{$ServletsBaseURL}DozBibEntryServlet?id={text()}">
+  <a class="ubo-duplicateid-link" href="{$ServletsBaseURL}DozBibEntryServlet?id={text()}">
     <xsl:value-of select="number(substring-after(text(),'mods_'))" />
   </a>
-  <xsl:text> </xsl:text>
+  <xsl:if test="position() != last()">
+    <xsl:text> </xsl:text>
+  </xsl:if> 
 </xsl:template>
 
 <xsl:template match="dedup">