diff --git a/contrib/coverage.bash b/contrib/coverage.bash
index 2784604d..13c3bffc 100755
--- a/contrib/coverage.bash
+++ b/contrib/coverage.bash
@@ -5,11 +5,10 @@ set -e
 make coverage -j
 
 # Run the tests
-for dir in asm link fix gfx; do
-	pushd test/$dir
-	./test.sh
-	popd
-done
+pushd test
+./fetch-test-deps.sh
+./run-tests.sh
+popd
 
 # Generate coverage logs
 gcov src/**/*.cpp
diff --git a/test/patches/libbet.patch b/test/patches/libbet.patch
index 36671a5d..02596ffb 100644
--- a/test/patches/libbet.patch
+++ b/test/patches/libbet.patch
@@ -24,3 +24,16 @@ index 6513518..ba14638 100644
  	$(PY) $^ -o $@
  
  # Graphics conversion
+diff --git a/tools/makeborder.py b/tools/makeborder.py
+index b9fa3f1..dfe5789 100755
+--- a/tools/makeborder.py
++++ b/tools/makeborder.py
+@@ -88,7 +88,7 @@ def main(argv=None):
+     else:
+         iutmrows = b''.join(pb16.pb16(b''.join(utmrows)))
+ 
+-    palette = im.getpalette()[:48]
++    palette = im.getpalette()[:12]
+     palette.extend(bytes(48 - len(palette)))
+     snespalette = bytearray()
+     for i in range(0, 48, 3):