diff --git a/AMBuildScript b/AMBuildScript
index baf532e..3cc6f38 100644
--- a/AMBuildScript
+++ b/AMBuildScript
@@ -148,7 +148,7 @@ class SM:
 
 				# For OS X dylib versioning
 				import re
-				productFile = open(os.path.join(AMBuild.sourceFolder, 'product.version'), 'r')
+				productFile = open(os.path.join(AMBuild.sourceFolder, 'buildbot', 'product.version'), 'r')
 				productContents = productFile.read()
 				productFile.close()
 				m = re.match('(\d+)\.(\d+)\.(\d+).*', productContents)