diff --git a/playa/cli.py b/playa/cli.py
index d5ba69ca..21da3ad9 100644
--- a/playa/cli.py
+++ b/playa/cli.py
@@ -3,6 +3,7 @@
 """
 
 import argparse
+import logging
 import csv
 from pathlib import Path
 
@@ -26,12 +27,18 @@ def make_argparse() -> argparse.ArgumentParser:
         choices=["screen", "page", "user"],
         default="screen",
     )
+    parser.add_argument(
+        "--debug",
+        help="Very verbose debugging output",
+        action="store_true",
+    )
     return parser
 
 
 def main() -> None:
     parser = make_argparse()
     args = parser.parse_args()
+    logging.basicConfig(level=logging.DEBUG if args.debug else logging.WARNING)
     writer = csv.DictWriter(args.outfile, fieldnames=playa.fieldnames)
     writer.writeheader()
     for path in args.pdfs:
diff --git a/playa/page.py b/playa/page.py
index 5a0473a7..61b71525 100644
--- a/playa/page.py
+++ b/playa/page.py
@@ -1640,6 +1640,7 @@ def render_string(
                 if isinstance(obj, str):
                     obj = make_compat_bytes(obj)
                 if not isinstance(obj, bytes):
+                    log.warning("Found non-string %r in text object", obj)
                     continue
                 for cid in self.textstate.font.decode(obj):
                     if needcharspace:
@@ -2333,7 +2334,8 @@ def do_TJ(self, strings: PDFObject) -> None:
         positioning"""
         args = list_value(strings)
         if not all(isinstance(s, (int, float, bytes)) for s in args):
-            raise TypeError("TJ takes only strings and numbers, not %r" % args)
+            log.warning("Found non-string in text object %r", args)
+            return
         self.textobj.append(make_txt("TJ", *args))
 
     def do_Tj(self, s: PDFObject) -> None:
diff --git a/samples/contrib/issue-1059-cmap-decode.pdf b/samples/contrib/issue-1059-cmap-decode.pdf
new file mode 100644
index 00000000..452973df
Binary files /dev/null and b/samples/contrib/issue-1059-cmap-decode.pdf differ