diff --git a/dangerzone/isolation_provider/base.py b/dangerzone/isolation_provider/base.py
index 04cc7e1d4..4a074a58c 100644
--- a/dangerzone/isolation_provider/base.py
+++ b/dangerzone/isolation_provider/base.py
@@ -20,7 +20,6 @@
 
 log = logging.getLogger(__name__)
 
-MAX_CONVERSION_LOG_CHARS = 150 * 50  # up to ~150 lines of 50 characters
 DOC_TO_PIXELS_LOG_START = "----- DOC TO PIXELS LOG START -----"
 DOC_TO_PIXELS_LOG_END = "----- DOC TO PIXELS LOG END -----"
 
@@ -77,7 +76,7 @@ def read_int(f: IO[bytes]) -> int:
     return int.from_bytes(untrusted_int, "big", signed=False)
 
 
-def read_debug_text(text: bytes) -> str:
+def sanitize_debug_text(text: bytes) -> str:
     """Read all the buffer and return a sanitized version"""
     untrusted_text = text.decode("ascii", errors="replace")
     return replace_control_chars(untrusted_text, keep_newlines=True)
@@ -358,7 +357,7 @@ def doc_to_pixels_proc(
                 stderr_thread.join(timeout=1)
 
                 debug_bytes = stderr.getvalue()
-                debug_log = read_debug_text(debug_bytes)[:MAX_CONVERSION_LOG_CHARS]
+                debug_log = sanitize_debug_text(debug_bytes)
 
                 incomplete = "(incomplete)\n" if stderr_thread.is_alive() else ""