diff --git a/fastboot/fastboot.cpp b/fastboot/fastboot.cpp
index cbd42b1..7fdc28b 100644
--- a/fastboot/fastboot.cpp
+++ b/fastboot/fastboot.cpp
@@ -1226,7 +1226,7 @@
     std::string merge_status = "none";
     if (fb->GetVar(FB_VAR_SNAPSHOT_UPDATE_STATUS, &merge_status) == fastboot::SUCCESS &&
         merge_status != "none") {
-        fb->SnapshotUpdateCommand("Cancel");
+        fb->SnapshotUpdateCommand("cancel");
     }
 }