diff --git a/updater/blockimg.cpp b/updater/blockimg.cpp
index 908e116..2e30c5b 100644
--- a/updater/blockimg.cpp
+++ b/updater/blockimg.cpp
@@ -1318,8 +1318,7 @@
 
 static Value* PerformBlockImageUpdate(const char* name, State* state, int /* argc */, Expr* argv[],
         const Command* commands, size_t cmdcount, bool dryrun) {
-    CommandParameters params;
-    memset(&params, 0, sizeof(params));
+    CommandParameters params = {};
     params.canwrite = !dryrun;
 
     fprintf(stderr, "performing %s\n", dryrun ? "verification" : "update");