diff --git a/stratosphere/loader/source/ldr_debug_monitor.cpp b/stratosphere/loader/source/ldr_debug_monitor.cpp
index 905eef1..26088a1 100644
--- a/stratosphere/loader/source/ldr_debug_monitor.cpp
+++ b/stratosphere/loader/source/ldr_debug_monitor.cpp
@@ -26,7 +26,7 @@
 }
 
 std::tuple<Result> DebugMonitorService::add_title_to_launch_queue(u64 tid, InPointer<char> args) {
-    fprintf(stderr, "Add to launch queue: %p, %X\n", args.pointer, args.num_elements);
+    fprintf(stderr, "Add to launch queue: %p, %zX\n", args.pointer, args.num_elements);
     return {LaunchQueue::add(tid, args.pointer, args.num_elements)};
 }
 
diff --git a/stratosphere/loader/source/ldr_shell.cpp b/stratosphere/loader/source/ldr_shell.cpp
index 2b48bcb..50c9f44 100644
--- a/stratosphere/loader/source/ldr_shell.cpp
+++ b/stratosphere/loader/source/ldr_shell.cpp
@@ -20,7 +20,7 @@
 }
 
 std::tuple<Result> ShellService::add_title_to_launch_queue(u64 tid, InPointer<char> args) {
-    fprintf(stderr, "Add to launch queue: %p, %X\n", args.pointer, args.num_elements);
+    fprintf(stderr, "Add to launch queue: %p, %zX\n", args.pointer, args.num_elements);
     return {LaunchQueue::add(tid, args.pointer, args.num_elements)};
 }