diff --git a/annotation/src/main/java/lcsb/mapviewer/annotation/services/TaxonomyBackend.java b/annotation/src/main/java/lcsb/mapviewer/annotation/services/TaxonomyBackend.java
index a0f44718f29b991165e5547e018467886d7cd3d0..e6d3655a19c8da6a8ed2a98aebaed3c3cef0e9b9 100644
--- a/annotation/src/main/java/lcsb/mapviewer/annotation/services/TaxonomyBackend.java
+++ b/annotation/src/main/java/lcsb/mapviewer/annotation/services/TaxonomyBackend.java
@@ -179,7 +179,8 @@ public class TaxonomyBackend extends CachableInterface implements IExternalServi
 		}
 
 		try {
-			String url = "http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=" + miriamData.getResource();
+			String url = "https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=" + miriamData.getResource();
+			logger.debug(url);
 			String page = getWebPageContent(url);
 			Pattern idPattern = Pattern.compile("<h2>([A-Za-z0-9\\ \\.]+)</h2>");
 			Matcher matcher = idPattern.matcher(page);