diff --git a/affectedmoduledetector/src/main/kotlin/com/dropbox/affectedmoduledetector/GitClient.kt b/affectedmoduledetector/src/main/kotlin/com/dropbox/affectedmoduledetector/GitClient.kt
index 1d8a7ef..157c99b 100644
--- a/affectedmoduledetector/src/main/kotlin/com/dropbox/affectedmoduledetector/GitClient.kt
+++ b/affectedmoduledetector/src/main/kotlin/com/dropbox/affectedmoduledetector/GitClient.kt
@@ -202,7 +202,7 @@ internal abstract class GitChangedFilesSource :
             if (parameters.commitShaProvider.includeUncommitted) {
                 "$CHANGED_FILES_CMD_PREFIX $sha"
             } else {
-                "$CHANGED_FILES_CMD_PREFIX $top..$sha"
+                "$CHANGED_FILES_CMD_PREFIX $sha..$top"
             }
         ).map { it.toOsSpecificPath() }