diff --git a/examples/fill.cc b/examples/fill.cc
index 504d714..83c61fa 100644
--- a/examples/fill.cc
+++ b/examples/fill.cc
@@ -36,7 +36,7 @@ using namespace SDL2pp;
 
 static const float pi = 3.14159265358979323846f;
 
-int Run() {
+static int Run() {
 	SDL sdl(SDL_INIT_VIDEO);
 	SDLImage image(IMG_INIT_PNG); // optional
 	Window window("libSDL2pp demo: fill", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_RESIZABLE);
diff --git a/examples/rendertarget.cc b/examples/rendertarget.cc
index 8f7216f..fc6d431 100644
--- a/examples/rendertarget.cc
+++ b/examples/rendertarget.cc
@@ -31,7 +31,7 @@
 using namespace SDL2pp;
 
 #define RGBA(r, g, b, a) r, g, b, a
-unsigned char pixels[4 * 4 * 4] = {
+static const unsigned char pixels[4 * 4 * 4] = {
 	RGBA(0xff, 0x00, 0x00, 0xff), RGBA(0xff, 0x80, 0x00, 0xff), RGBA(0xff, 0xff, 0x00, 0xff), RGBA(0x80, 0xff, 0x00, 0xff),
 	RGBA(0xff, 0x00, 0x80, 0xff), RGBA(0xff, 0xff, 0xff, 0xff), RGBA(0x00, 0x00, 0x00, 0x00), RGBA(0x00, 0xff, 0x00, 0xff),
 	RGBA(0xff, 0x00, 0xff, 0xff), RGBA(0x00, 0x00, 0x00, 0x00), RGBA(0x00, 0x00, 0x00, 0xff), RGBA(0x00, 0xff, 0x80, 0xff),
diff --git a/examples/sprites.cc b/examples/sprites.cc
index 97fad08..24f7304 100644
--- a/examples/sprites.cc
+++ b/examples/sprites.cc
@@ -31,7 +31,7 @@
 using namespace SDL2pp;
 
 #define RGBA(r, g, b, a) r, g, b, a
-unsigned char pixels[4 * 4 * 4] = {
+static const unsigned char pixels[4 * 4 * 4] = {
 	RGBA(0xff, 0x00, 0x00, 0xff), RGBA(0xff, 0x80, 0x00, 0xff), RGBA(0xff, 0xff, 0x00, 0xff), RGBA(0x80, 0xff, 0x00, 0xff),
 	RGBA(0xff, 0x00, 0x80, 0xff), RGBA(0xff, 0xff, 0xff, 0xff), RGBA(0x00, 0x00, 0x00, 0x00), RGBA(0x00, 0xff, 0x00, 0xff),
 	RGBA(0xff, 0x00, 0xff, 0xff), RGBA(0x00, 0x00, 0x00, 0x00), RGBA(0x00, 0x00, 0x00, 0xff), RGBA(0x00, 0xff, 0x80, 0xff),