diff --git a/Makefile b/Makefile
index 03a145e..7b062da 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 CC ?= gcc
-CFLAGS = -std=c99 -Wall -Wextra -O3 -I./inc -MMD $(shell sdl2-config --cflags)
+CFLAGS = -std=c99 -Wall -Wextra -pedantic -O3 -I./inc -MMD $(shell sdl2-config --cflags)
 LDFLAGS = -lSDL2 -lSDL2_image -lSDL2_mixer $(shell sdl2-config --libs)
 
 OBJ_NAME = lzy
diff --git a/inc/lzy.h b/inc/lzy.h
index 6e51755..12403e0 100644
--- a/inc/lzy.h
+++ b/inc/lzy.h
@@ -80,8 +80,8 @@ typedef struct LZY_Event {
 	LZY_EventUnion u;
 } LZY_Event;
 
-int LZY_Init(int argc, const char **argv, const char *title, int target_fps,
-             const char *tset_path, const char *font_path);
+int LZY_Init(const char *title, int target_fps, const char *tset_path,
+             const char *font_path);
 void LZY_Quit(void);
 int LZY_DrawBegin(void);
 int LZY_DrawEnd(void);
@@ -210,13 +210,11 @@ static unsigned int tset_width, tset_height;
 static unsigned int font_width, font_height;
 static int timer_callback(volatile int *);
 
-int LZY_Init(int argc, const char **argv, const char *title, int target_fps,
-             const char *tset_path, const char *font_path) {
+int LZY_Init(const char *title, int target_fps, const char *tset_path,
+             const char *font_path) {
 	extern bopti_image_t LZY_GINT_TILESET;
 	extern bopti_image_t LZY_GINT_FONT;
 
-	LZY_UNUSED(argc);
-	LZY_UNUSED(argv);
 	LZY_UNUSED(title);
 	LZY_UNUSED(tset_path);
 	LZY_UNUSED(font_path);
@@ -460,7 +458,6 @@ const char *LZY_GetError(void) {
 #include LZY_SDL_INCLUDE
 #include LZY_SDL_IMAGE_INCLUDE
 #include LZY_SDL_MIXER_INCLUDE
-#include <libgen.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -485,24 +482,6 @@ static uint64_t min_dt;
 static uint64_t next_time;
 static char *datadir;
 
-static char *str_dup(const char *src) {
-	char *copy;
-
-	if (src == NULL) {
-		error = "src is NULL";
-		return NULL;
-	}
-
-	copy = calloc(strlen(src) + 1, sizeof(char));
-	if (copy == NULL) {
-		error = "calloc failed";
-		return NULL;
-	}
-
-	strcpy(copy, src);
-	return copy;
-}
-
 static char *path_relative(const char *path) {
 	char *buf;
 
@@ -516,28 +495,28 @@ static char *path_relative(const char *path) {
 		return NULL;
 	}
 
-	buf = calloc(strlen(datadir) + strlen(path) + 2, sizeof(char));
+	buf = calloc(strlen(datadir) + strlen(path) + 1, sizeof(char));
 	if (buf == NULL) {
 		error = "calloc failed";
 		return NULL;
 	}
 
 	strcpy(buf, datadir);
-	strcat(buf, "/");
 	strcat(buf, path);
 
 	return buf;
 }
 
-int LZY_Init(int argc, const char **argv, const char *title, int target_fps,
-             const char *tset_path, const char *font_path) {
+int LZY_Init(const char *title, int target_fps, const char *tset_path,
+             const char *font_path) {
 	const int img_flags = IMG_INIT_PNG;
 	char *buf;
 
-	datadir = str_dup((argc < 1) ? ("./rl") : (argv[0]));
-	if (datadir == NULL)
+	datadir = SDL_GetBasePath();
+	if (datadir == NULL) {
+		error = SDL_GetError();
 		return -1;
-	dirname(datadir);
+	}
 
 	if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0) {
 		error = SDL_GetError();
@@ -625,7 +604,7 @@ int LZY_Init(int argc, const char **argv, const char *title, int target_fps,
 
 void LZY_Quit(void) {
 	if (datadir != NULL) {
-		free(datadir);
+		SDL_free(datadir);
 		datadir = NULL;
 	}
 
diff --git a/src/main.c b/src/main.c
index 008bb84..458f362 100644
--- a/src/main.c
+++ b/src/main.c
@@ -8,12 +8,14 @@
 
 static const int speed = 4;
 
-int main(int argc, const char **argv) {
+int main(int argc, char **argv) {
 	int x = 0;
 	int y = 0;
 
-	if (LZY_Init(argc, argv, "lzy example", 30, "res/tset.png",
-	             "res/font.png")) {
+	(void)argc;
+	(void)argv;
+
+	if (LZY_Init("lzy example", 30, "res/tset.png", "res/font.png")) {
 		LZY_Log("LZY_Init failed: %s", LZY_GetError());
 		LZY_Quit();
 		return 1;