diff --git a/releaser-core/src/main/java/releaser/internal/sagan/SaganUpdater.java b/releaser-core/src/main/java/releaser/internal/sagan/SaganUpdater.java
index 7a856d3c..8422c5a5 100644
--- a/releaser-core/src/main/java/releaser/internal/sagan/SaganUpdater.java
+++ b/releaser-core/src/main/java/releaser/internal/sagan/SaganUpdater.java
@@ -115,7 +115,7 @@ private void updateDocumentationIfNecessary(File projectFile, Project project) {
 			}
 		}
 		if (shouldUpdate) {
-			this.saganClient.patchProjectDetails(project.getName(), projectDetails);
+			this.saganClient.patchProjectDetails(project.getSlug(), projectDetails);
 			log.info("Updating Sagan project with adoc data.");
 		}
 		else {