diff --git a/easybuild/easyconfigs/i/InterOp/InterOp-1.2.4-foss-2021a.eb b/easybuild/easyconfigs/i/InterOp/InterOp-1.2.4-foss-2021a.eb
index b963949f0de..6aa75a120c3 100644
--- a/easybuild/easyconfigs/i/InterOp/InterOp-1.2.4-foss-2021a.eb
+++ b/easybuild/easyconfigs/i/InterOp/InterOp-1.2.4-foss-2021a.eb
@@ -21,7 +21,8 @@ been excluded."""
 software_license = 'LicenseGPLv3'
 toolchain = {'name': 'foss', 'version': '2021a'}
 
-source_urls = ['https://github.com/Illumina/interop/archive/refs/tags']
+github_account = 'Illumina'
+source_urls = [GITHUB_LOWER_SOURCE]
 sources = ['v%(version)s.tar.gz']
 checksums = ['e10ee79f476d40f40a1d4c73074ea58088d82700239b1a2ae9633235afe894c3']