diff --git a/Cargo.lock b/Cargo.lock
index 958d477..2267bd2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -980,7 +980,7 @@ dependencies = [
 
 [[package]]
 name = "spritter"
-version = "0.8.0"
+version = "0.8.1"
 dependencies = [
  "clap",
  "env_logger",
diff --git a/Cargo.toml b/Cargo.toml
index e05f802..c0e5db8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "spritter"
-version = "0.8.0"
+version = "0.8.1"
 edition = "2021"
 authors = ["fgardt <me@fgardt.dev>"]
 description = "Spritesheet generator for factorio"
diff --git a/src/main.rs b/src/main.rs
index 4bbdeff..44c2d4d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -787,8 +787,8 @@ fn generate_subframe_sheets(
         .iter()
         .map(|(frags, (width, height), (shift_x, shift_y))| {
             let cols = MAX_SIZE / width;
-            let rows = MAX_SIZE / height;
             let sheet_width = cols * width;
+            let rows = sprite_count.div_ceil(cols);
             let sheet_height = rows * height;
 
             let mut sheet = RgbaImage::new(sheet_width, sheet_height);