diff --git a/src/io/file.cpp b/src/io/file.cpp
index 0fc57c2..082fe25 100644
--- a/src/io/file.cpp
+++ b/src/io/file.cpp
@@ -449,7 +449,7 @@ char * File::loadTerminatedString (int maxSize) {
  * @return The new string
  */
 char * File::loadFileName () {
-	int length;
+	int length = 0;
 	char *string = new char[13];
 
 	for (int i = 0; i < 9; i++) {
diff --git a/src/io/gfx/video.cpp b/src/io/gfx/video.cpp
index f96df4e..6d7265f 100644
--- a/src/io/gfx/video.cpp
+++ b/src/io/gfx/video.cpp
@@ -278,6 +278,8 @@ void Video::deinit () {
 bool Video::reset (int width, int height) {
 
 #ifdef NO_RESIZE
+	(void)width;
+	(void)height;
 	screenW = DEFAULT_SCREEN_WIDTH;
 	screenH = DEFAULT_SCREEN_HEIGHT;
 	fullscreen = true;
@@ -600,7 +602,6 @@ void Video::expose () {
  * @param event The system event. Events not affecting video will be ignored
  */
 void Video::update (SDL_Event *event) {
-
 #if !defined(FULLSCREEN_ONLY) || !defined(NO_RESIZE)
 	switch (event->type) {
 
@@ -643,8 +644,9 @@ void Video::update (SDL_Event *event) {
 	#endif
 
 	}
+#else
+	(void)event;
 #endif
-
 }
 
 
@@ -748,6 +750,8 @@ void Video::moviePlayback (bool status) {
 		canvasH = movieH;
 	}
 	SDL_RenderSetLogicalSize(renderer, canvasW, canvasH);
+#else
+	(void)status;
 #endif
 }
 
diff --git a/src/menu/mainmenu.cpp b/src/menu/mainmenu.cpp
index ccee020..84c7cf5 100644
--- a/src/menu/mainmenu.cpp
+++ b/src/menu/mainmenu.cpp
@@ -58,6 +58,7 @@ MainMenu::MainMenu () {
 	if (res == TINFL_DECOMPRESS_MEM_TO_MEM_FAILED || res != oj_logo.size) {
 
 		LOG_WARN("Could not uncompress logo (expected: %d, actual: %zu).", oj_logo.size, res);
+		logo = nullptr;
 
 	} else {