diff --git a/ontologies.Makefile b/ontologies.Makefile
index 11d15f1..31732e9 100644
--- a/ontologies.Makefile
+++ b/ontologies.Makefile
@@ -545,7 +545,7 @@ download/interpro.owl: STAMP
 .PRECIOUS: download/interpro.owl
 
 db/interpro.owl: download/interpro.owl
-	perl -npe 's@go:@GO:@g;s@ro:@RO:@g;s@interpro:@InterPro:@g' $< > $@.tmp && robot convert -i $@.tmp -o $@
+	perl -npe 's@ go:@ GO:@g;s@ ro:@ RO:@g;s@ interpro:@ InterPro:@g' $< > $@.tmp && robot convert -i $@.tmp -o $@
 
 
 download/hgnc.genegroup.owl: STAMP
diff --git a/src/semsql/builder/registry/ontologies.yaml b/src/semsql/builder/registry/ontologies.yaml
index 67ae323..c4f7efb 100644
--- a/src/semsql/builder/registry/ontologies.yaml
+++ b/src/semsql/builder/registry/ontologies.yaml
@@ -205,7 +205,7 @@ ontologies:
 ## See https://github.com/INCATools/semantic-sql/issues/45
   interpro:
     url: https://w3id.org/biopragmatics/resources/interpro/interpro.obo
-    build_command: "perl -npe 's@go:@GO:@g;s@ro:@RO:@g;s@interpro:@InterPro:@g' $< > $@.tmp && robot convert -i $@.tmp -o $@"
+    build_command: "perl -npe 's@ go:@ GO:@g;s@ ro:@ RO:@g;s@ interpro:@ InterPro:@g' $< > $@.tmp && robot convert -i $@.tmp -o $@"
     format: obo
     prefixmap:
       InterPro: http://purl.obolibrary.org/obo/InterPro_