diff --git a/firmware/keira/src/apps/lua/lualilka_sdcard.cpp b/firmware/keira/src/apps/lua/lualilka_sdcard.cpp
index 9967c6f3..0852a7b3 100644
--- a/firmware/keira/src/apps/lua/lualilka_sdcard.cpp
+++ b/firmware/keira/src/apps/lua/lualilka_sdcard.cpp
@@ -118,7 +118,7 @@ int lualilka_sdcard_read(lua_State* L) {
 
     lua_pushlstring(L, buf, bytesRead);
 
-    delete(buf);
+    delete[] (buf);
     return 1;
 }