diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ab0aa6f0..5d5f9bec 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -89,9 +89,10 @@ jobs:
           path: mutool
           key: mupdf-binary-v1
 
-      - name: Install poppler-utils
+      - name: Install deps
         run: | 
           sudo apt-get install -y poppler-utils
+          sudo apt-get install -y ghostscript
 
       - name: Download the pdfium library
         run: |
@@ -121,7 +122,8 @@ jobs:
         run: |
           sudo chmod +x pdfium
           sudo chmod +x mutool
-          echo "POPPLER_BIN=$(pwd)/pdftoppm" >> $GITHUB_ENV
+          echo "POPPLER_BIN=pdftoppm" >> $GITHUB_ENV
+          echo "GHOSTSCRIPT_BIN=gs" >> $GITHUB_ENV
           echo "PDFIUM_BIN=$(pwd)/pdfium" >> $GITHUB_ENV
           echo "PDFBOX_BIN=$(pwd)/pdfbox.jar" >> $GITHUB_ENV
           echo "PDFJS_BIN=$(pwd)/sitro/src/pdfjs/pdfjs_render.mjs" >> $GITHUB_ENV
diff --git a/src/lib.rs b/src/lib.rs
index 00edeca8..c19cc105 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -27,7 +27,7 @@ pub(crate) mod test_utils {
     use difference::{Changeset, Difference};
     use std::path::PathBuf;
 
-    const REPLACE: bool = true;
+    const REPLACE: bool = false;
 
     pub fn load_font(name: &str) -> Vec<u8> {
         let path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))