diff --git a/circle.yml b/circle.yml
index f10be7d3786..298e310a9f1 100644
--- a/circle.yml
+++ b/circle.yml
@@ -4,7 +4,7 @@ machine:
         CTEST_SOURCE_DIRECTORY: ${HOME}/ITK
         CTEST_BINARY_DIRECTORY: ${HOME}/ITK-build
         DASHBOARD_BRANCH_DIRECTORY: ${HOME}/ITK-dashboard
-        ITK_DATA_TAR: InsightData-4.11.0tar.gz
+        ITK_DATA_TAR: InsightData-4.11.0.tar.gz
         ITK_DATA_TAR_URL: "https://sourceforge.net/projects/itk/files/itk/4.11/${ITK_DATA_TAR}"
         ExternalData_OBJECT_STORES: ${HOME}/.ExternalData
         DISTCC_TCP_CORK: "0"