diff --git a/core/src/spritesheet.c b/core/src/spritesheet.c
index 305795f..554fa6f 100644
--- a/core/src/spritesheet.c
+++ b/core/src/spritesheet.c
@@ -43,8 +43,8 @@ Spritesheet* spritesheet_from_texture(SDL_Texture* texture, IVector tile_size) {
     SDL_QueryTexture(self->texture, NULL, NULL, &self->resolution.x, &self->resolution.y);
 
     self->tile_size = tile_size;
-    self->tile_shear = self->resolution.x / self->tile_size.x;
-    self->tile_count = self->resolution.x / self->tile_size.x * self->resolution.y / self->tile_size.y;
+    self->tile_shear = (size_t)self->resolution.x / self->tile_size.x;
+    self->tile_count = (size_t)self->resolution.x / self->tile_size.x * self->resolution.y / self->tile_size.y;
     return self;
 }