diff --git a/src/game/memory.h b/src/game/memory.h
index 48cd703c..a1eba8a7 100644
--- a/src/game/memory.h
+++ b/src/game/memory.h
@@ -9,6 +9,7 @@
 #define MEMORY_POOL_RIGHT 1
 
 #define GFX_POOL_SIZE (512 * 1024)
+#define DEFAULT_POOL_SIZE (0x165000 * 8)
 
 struct AllocOnlyPool
 {
diff --git a/src/pc/cliopts.c b/src/pc/cliopts.c
index b9e9ee77..54dbb5c7 100644
--- a/src/pc/cliopts.c
+++ b/src/pc/cliopts.c
@@ -34,6 +34,12 @@ static inline int arg_string(const char *name, const char *value, char *target)
     return 1;
 }
 
+static inline int arg_uint(const char *name, const char *value, unsigned int *target) {
+    const unsigned long int v = strtoul(value, NULL, 0);
+    *target = v;
+    return 1;
+}
+
 void parse_cli_opts(int argc, char* argv[]) {
     // Initialize options with false values.
     memset(&gCLIOpts, 0, sizeof(gCLIOpts));
@@ -51,6 +57,9 @@ void parse_cli_opts(int argc, char* argv[]) {
         else if (strcmp(argv[i], "--cheats") == 0) // Enable cheats menu
             Cheats.EnableCheats = true;
 
+        else if (strcmp(argv[i], "--poolsize") == 0) // Main pool size
+            arg_uint("--poolsize", argv[++i], &gCLIOpts.PoolSize);
+
         else if (strcmp(argv[i], "--configfile") == 0 && (i + 1) < argc)
             arg_string("--configfile", argv[++i], gCLIOpts.ConfigFile);
 
diff --git a/src/pc/cliopts.h b/src/pc/cliopts.h
index f9a45e18..a0281e22 100644
--- a/src/pc/cliopts.h
+++ b/src/pc/cliopts.h
@@ -6,6 +6,7 @@
 struct PCCLIOptions  {
     unsigned int SkipIntro;
     unsigned int FullScreen;
+    unsigned int PoolSize;
     char ConfigFile[SYS_MAX_PATH];
     char SavePath[SYS_MAX_PATH];
     char GameDir[SYS_MAX_PATH];
diff --git a/src/pc/pc_main.c b/src/pc/pc_main.c
index ada661f1..923e7ea8 100644
--- a/src/pc/pc_main.c
+++ b/src/pc/pc_main.c
@@ -172,10 +172,6 @@ static void on_anim_frame(double time) {
 #endif
 
 void main_func(void) {
-    static u64 pool[0x165000/8 / 4 * sizeof(void *)];
-    main_pool_init(pool, pool + sizeof(pool) / sizeof(pool[0]));
-    gEffectsMemoryPool = mem_pool_init(0x4000, MEMORY_POOL_LEFT);
-
     const char *gamedir = gCLIOpts.GameDir[0] ? gCLIOpts.GameDir : FS_BASEDIR;
     const char *userpath = gCLIOpts.SavePath[0] ? gCLIOpts.SavePath : sys_user_path();
     fs_init(sys_ropaths, gamedir, userpath);
@@ -187,6 +183,12 @@ void main_func(void) {
     else if (gCLIOpts.FullScreen == 2)
         configWindow.fullscreen = false;
 
+    const size_t poolsize = gCLIOpts.PoolSize ? gCLIOpts.PoolSize : DEFAULT_POOL_SIZE;
+    u64 *pool = malloc(poolsize);
+    if (!pool) sys_fatal("Could not alloc %u bytes for main pool.\n", poolsize);
+    main_pool_init(pool, pool + poolsize / sizeof(pool[0]));
+    gEffectsMemoryPool = mem_pool_init(0x4000, MEMORY_POOL_LEFT);
+
     #if defined(WAPI_SDL1) || defined(WAPI_SDL2)
     wm_api = &gfx_sdl;
     #elif defined(WAPI_DXGI)