diff --git a/misc-scripts/ontology/scripts/get_OBO_files.ksh b/misc-scripts/ontology/scripts/get_OBO_files.ksh
index 8762d8d1e015494627c7064b294d63d5bf9918e8..08c3f01ced556ca8c00fd739c5966c0212a9fc42 100755
--- a/misc-scripts/ontology/scripts/get_OBO_files.ksh
+++ b/misc-scripts/ontology/scripts/get_OBO_files.ksh
@@ -4,7 +4,7 @@
 wget -O GO.obo "http://www.geneontology.org/ontology/obo_format_1_2/gene_ontology.1_2.obo"
 
 # SO    - Sequence Ontology
-wget -O SO.obo "http://downloads.sourceforge.net/project/song/Sequence%20Ontology/so_2_5/so.obo2.5"
+wget -O SO.obo "http://www.sequenceontology.org/resources/obo_files/current_release.obo"
 
 # EFO   - Experimental Factor Ontology
 wget -O EFO.obo "http://efo.svn.sourceforge.net/viewvc/efo/trunk/src/efoinobo/efo.obo"