diff --git a/gitlabreleaseuploader.py b/gitlabreleaseuploader.py
index 96111fc..4610dd0 100755
--- a/gitlabreleaseuploader.py
+++ b/gitlabreleaseuploader.py
@@ -193,7 +193,7 @@ if createRelease:
 
 
 
-attachAssetsToReleaseUrl = "%s/api/v4/projects/%s/releases" % (instanceUrl, projectId)
+attachAssetsToReleaseUrl = "%s/api/v4/projects/%s/releases/%s" % (instanceUrl, projectId, releaseTag)
 headers = {"PRIVATE-TOKEN": privateToken, "Content-Type": "application/json"}
 
 payloadAttachAssetsToRelease = {