diff --git a/marker/models.py b/marker/models.py
index 72cb2b62..a77fb7e1 100644
--- a/marker/models.py
+++ b/marker/models.py
@@ -50,7 +50,7 @@ def load_all_models(langs=None):
     layout = setup_layout_model()
     order = setup_order_model()
     edit = load_editing_model()
-    ocr = setup_recognition_model(langs) if settings.OCR_ENGINE_INTERNAL == "surya" else None
+    ocr = setup_recognition_model(langs) if settings.OCR_ENGINE == "surya" else None
     texify = setup_texify_model()
     model_lst = [texify, layout, order, edit, detection, ocr]
     return model_lst
diff --git a/marker/ocr/heuristics.py b/marker/ocr/heuristics.py
index 2fdb9d8e..d7bca5bb 100644
--- a/marker/ocr/heuristics.py
+++ b/marker/ocr/heuristics.py
@@ -63,7 +63,7 @@ def detected_line_coverage(page: Page, intersect_thresh=.4, detection_thresh=.3)
         total_intersection = 0
         for block in page.blocks:
             for line in block.lines:
-                intersection_pct = box_intersection_pct(line.bbox, detected_bbox)
+                intersection_pct = box_intersection_pct(detected_bbox, line.bbox)
                 total_intersection += intersection_pct
         if total_intersection > intersect_thresh:
             found_lines += 1
diff --git a/marker/ocr/lang.py b/marker/ocr/lang.py
index 8240b057..82d6cc0e 100644
--- a/marker/ocr/lang.py
+++ b/marker/ocr/lang.py
@@ -5,7 +5,7 @@
 
 
 def replace_langs_with_codes(langs):
-    if settings.OCR_ENGINE_INTERNAL == "surya":
+    if settings.OCR_ENGINE == "surya":
         for i, lang in enumerate(langs):
             if lang in LANGUAGE_TO_CODE:
                 langs[i] = LANGUAGE_TO_CODE[lang]
@@ -17,7 +17,7 @@ def replace_langs_with_codes(langs):
 
 
 def validate_langs(langs):
-    if settings.OCR_ENGINE_INTERNAL == "surya":
+    if settings.OCR_ENGINE == "surya":
         for lang in langs:
             if lang not in CODE_TO_LANGUAGE:
                 raise ValueError(f"Invalid language code {lang} for Surya OCR")
diff --git a/marker/ocr/recognition.py b/marker/ocr/recognition.py
index 6da62d8d..24dfbbc7 100644
--- a/marker/ocr/recognition.py
+++ b/marker/ocr/recognition.py
@@ -28,7 +28,7 @@ def run_ocr(doc, pages: List[Page], langs: List[str], rec_model, parallel_factor
             ocr_idxs.append(pnum)
             ocr_pages += 1
 
-    ocr_method = settings.OCR_ENGINE_INTERNAL
+    ocr_method = settings.OCR_ENGINE
     if ocr_method == "surya":
         new_pages = surya_recognition(doc, ocr_idxs, langs, rec_model, pages)
     else:
diff --git a/marker/pdf/extract_text.py b/marker/pdf/extract_text.py
index bf10e906..4d5aa317 100644
--- a/marker/pdf/extract_text.py
+++ b/marker/pdf/extract_text.py
@@ -57,12 +57,18 @@ def pdftext_format_to_blocks(page, pnum: int) -> Page:
     page_bbox = page["bbox"]
     page_width = abs(page_bbox[2] - page_bbox[0])
     page_height = abs(page_bbox[3] - page_bbox[1])
+    rotation = page["rotation"]
+
+    # Flip width and height if rotated
+    if rotation == 90 or rotation == 270:
+        page_width, page_height = page_height, page_width
+
     page_bbox = [0, 0, page_width, page_height]
     out_page = Page(
         blocks=page_blocks,
         pnum=page["page"],
         bbox=page_bbox,
-        rotation=page["rotation"],
+        rotation=rotation,
         char_blocks=page["blocks"]
     )
     return out_page
diff --git a/marker/settings.py b/marker/settings.py
index 9bdc1490..5566e5fb 100644
--- a/marker/settings.py
+++ b/marker/settings.py
@@ -44,7 +44,7 @@ def TORCH_DEVICE_MODEL(self) -> str:
 
     # OCR
     INVALID_CHARS: List[str] = [chr(0xfffd), "�"]
-    OCR_ENGINE: Optional[str] = None # Which OCR engine to use, either "surya" or "ocrmypdf".  Defaults to "ocrmypdf" on CPU, "surya" on GPU.
+    OCR_ENGINE: Optional[str] = "surya" # Which OCR engine to use, either "surya" or "ocrmypdf".  Defaults to "ocrmypdf" on CPU, "surya" on GPU.
     OCR_ALL_PAGES: bool = False # Run OCR on every page even if text can be extracted
 
     ## Surya
@@ -56,13 +56,6 @@ def TORCH_DEVICE_MODEL(self) -> str:
     TESSERACT_TIMEOUT: int = 20 # When to give up on OCR
     TESSDATA_PREFIX: str = ""
 
-    @computed_field
-    def OCR_ENGINE_INTERNAL(self) -> str:
-        if self.OCR_ENGINE is not None:
-            return self.OCR_ENGINE
-
-        return "surya"
-
     # Texify model
     TEXIFY_MODEL_MAX: int = 384 # Max inference length for texify
     TEXIFY_TOKEN_BUFFER: int = 256 # Number of tokens to buffer above max for texify
diff --git a/poetry.lock b/poetry.lock
index 925699e8..50eb44e0 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -2525,13 +2525,13 @@ image = ["Pillow"]
 
 [[package]]
 name = "pdftext"
-version = "0.3.5"
+version = "0.3.6"
 description = "Extract structured text from pdfs quickly"
 optional = false
 python-versions = "!=2.7.*,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,!=3.7.*,!=3.8.*,>=3.9"
 files = [
-    {file = "pdftext-0.3.5-py3-none-any.whl", hash = "sha256:2a1649b1f2b8ea563fd4f2a3a7227afb0693622b5e3820bca390817d92f228c7"},
-    {file = "pdftext-0.3.5.tar.gz", hash = "sha256:bd2c4c918889894488b18fa6395eff77138dcb8762fc3c44f08a402597618d41"},
+    {file = "pdftext-0.3.6-py3-none-any.whl", hash = "sha256:82c6b0c1e3e1116446c9a5e31f1e15b078cf9195e1cff608e24f9fd5826a88df"},
+    {file = "pdftext-0.3.6.tar.gz", hash = "sha256:91be26c76c2a496054d64875edf17349dbf5c17c40bb47f844dc0d9b95d4b7e2"},
 ]
 
 [package.dependencies]
@@ -4990,4 +4990,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<3.13,!=3.9.7"
-content-hash = "459483572dd8347587db50c0e627b839b6b061af2af022ab8d893c70905b04cb"
+content-hash = "8759c2dc6b9d345ae966f2fe10bb8ee9a2bb93c2d6a07ec2a7d2ec4d57bd3b2c"
diff --git a/pyproject.toml b/pyproject.toml
index ff0c2ff4..219de389 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,7 +39,7 @@ texify = "^0.1.8"
 rapidfuzz = "^3.8.1"
 surya-ocr = "^0.4.0"
 filetype = "^1.2.0"
-pdftext = "^0.3.4"
+pdftext = "^0.3.6"
 regex = "^2024.4.28"
 
 [tool.poetry.group.dev.dependencies]