diff --git a/src/nostalgia/player/app.cpp b/src/nostalgia/player/app.cpp
index 383adafa..6684bf16 100644
--- a/src/nostalgia/player/app.cpp
+++ b/src/nostalgia/player/app.cpp
@@ -13,7 +13,7 @@ using namespace nostalgia;
 static unsigned spriteX = 72;
 static unsigned spriteY = 64;
 
-static int eventHandler(core::Context *ctx) {
+static int eventHandler(core::Context *ctx) noexcept {
 	if (core::buttonDown(core::GamePad_Right)) {
 		spriteX += 2;
 	} else if (core::buttonDown(core::GamePad_Left)) {
@@ -32,7 +32,7 @@ static int eventHandler(core::Context *ctx) {
 	return 16;
 }
 
-ox::Error run(ox::FileSystem *fs) {
+ox::Error run(ox::FileSystem *fs) noexcept {
 	core::Context ctx;
 	ctx.rom = fs;
 	oxReturnError(core::init(&ctx));
diff --git a/src/nostalgia/player/app.hpp b/src/nostalgia/player/app.hpp
index fc65b56c..a77698a1 100644
--- a/src/nostalgia/player/app.hpp
+++ b/src/nostalgia/player/app.hpp
@@ -8,4 +8,4 @@
 
 #include <ox/fs/fs.hpp>
 
-ox::Error run(ox::FileSystem *fs);
+ox::Error run(ox::FileSystem *fs) noexcept;
diff --git a/src/nostalgia/player/main.cpp b/src/nostalgia/player/main.cpp
index fae5b922..cea00da2 100644
--- a/src/nostalgia/player/main.cpp
+++ b/src/nostalgia/player/main.cpp
@@ -11,7 +11,7 @@
 
 #include "app.hpp"
 
-ox::Error run(int argc, const char **argv) {
+static ox::Error run(int argc, const char **argv) noexcept {
 	ox::trace::init();
 	if (argc < 2) {
 		oxErrf("Please provide path to project directory or OxFS file.");