diff --git a/src/GitS-Core.package/GSSelfUpdater.class/class/getShaOfVersion..st b/src/GitS-Core.package/GSSelfUpdater.class/class/getShaOfVersion..st
index d1b8abea5..b2b84887c 100644
--- a/src/GitS-Core.package/GSSelfUpdater.class/class/getShaOfVersion..st
+++ b/src/GitS-Core.package/GSSelfUpdater.class/class/getShaOfVersion..st
@@ -1,3 +1,8 @@
 requests
 getShaOfVersion: aString
-	^ (WebClient httpGet: (self githubApiUrlForVersion: aString)) content parseAsJson at: 'sha'
\ No newline at end of file
+	| response |
+	response := (WebClient httpGet: (self githubApiUrlForVersion: aString)) content parseAsJson.
+	(response at: 'status') asInteger = 200 ifFalse: [
+		^ self error: ('Error while trying to resolve git-s version {1}: {2}'
+						format: {aString printString. response at: 'message'})].
+	^ response at: 'sha'
\ No newline at end of file
diff --git a/src/GitS-Core.package/GSSelfUpdater.class/methodProperties.json b/src/GitS-Core.package/GSSelfUpdater.class/methodProperties.json
index ae44d1d17..6d59653a1 100644
--- a/src/GitS-Core.package/GSSelfUpdater.class/methodProperties.json
+++ b/src/GitS-Core.package/GSSelfUpdater.class/methodProperties.json
@@ -2,7 +2,7 @@
 	"class" : {
 		"branchName" : "mad 10/9/2024 16:34",
 		"fullRepositoryName" : "mad 10/9/2024 16:33",
-		"getShaOfVersion:" : "mad 10/9/2024 18:39",
+		"getShaOfVersion:" : "mad 10/24/2024 14:51",
 		"githubApiUrlForVersion:" : "mad 10/9/2024 18:38",
 		"installScriptForInstalledVersion" : "mad 10/9/2024 16:51",
 		"installScriptForVersion:" : "mad 10/9/2024 16:50",