diff --git a/R/R-AnnotationHub/Portfile b/R/R-AnnotationHub/Portfile
index d75cd567325..8b50c4f7237 100644
--- a/R/R-AnnotationHub/Portfile
+++ b/R/R-AnnotationHub/Portfile
@@ -14,6 +14,7 @@ checksums           rmd160  522499d73cb02a2303588cb78a383d9738d5ba91 \
                     sha256  dd974316cea658f5ad099d92fe2cdcb19e77edc11e19a11ce30bbdfac6296c8b \
                     size    994797
 supported_archs     noarch
+platforms           {darwin any}
 
 depends_lib-append  port:R-AnnotationDbi \
                     port:R-BiocFileCache \