diff --git a/dangerzone/conversion/errors.py b/dangerzone/conversion/errors.py
index 235ffc9..2156087 100644
--- a/dangerzone/conversion/errors.py
+++ b/dangerzone/conversion/errors.py
@@ -8,21 +8,11 @@ MAX_PAGE_WIDTH = 10000
 MAX_PAGE_HEIGHT = 10000
 
 
-class InterruptedConversionException(Exception):
-    """Data received was less than expected"""
-
-    def __init__(self) -> None:
-        super().__init__(
-            "Something interrupted the conversion and it could not be completed."
-        )
-
-
 class ConverterProcException(Exception):
     """Some exception occurred in the converter"""
 
-    def __init__(self, proc: subprocess.Popen) -> None:
-        self.proc = proc
-        super().__init__()
+    def __init__(self) -> None:
+        super().__init__("The process spawned for the conversion has exited early")
 
 
 class ConversionException(Exception):
diff --git a/dangerzone/isolation_provider/base.py b/dangerzone/isolation_provider/base.py
index 6becee6..d378eee 100644
--- a/dangerzone/isolation_provider/base.py
+++ b/dangerzone/isolation_provider/base.py
@@ -27,7 +27,7 @@ def read_bytes(f: IO[bytes], size: int, exact: bool = True) -> bytes:
     """Read bytes from a file-like object."""
     buf = f.read(size)
     if exact and len(buf) != size:
-        raise errors.InterruptedConversionException()
+        raise errors.ConverterProcException()
     return buf
 
 
@@ -35,7 +35,7 @@ def read_int(f: IO[bytes]) -> int:
     """Read 2 bytes from a file-like object, and decode them as int."""
     untrusted_int = f.read(INT_BYTES)
     if len(untrusted_int) != INT_BYTES:
-        raise errors.InterruptedConversionException()
+        raise errors.ConverterProcException()
     return int.from_bytes(untrusted_int, "big", signed=False)
 
 
@@ -80,7 +80,7 @@ class IsolationProvider(ABC):
             if document.archive_after_conversion:
                 document.archive()
         except errors.ConverterProcException as e:
-            exception = self.get_proc_exception(e.proc)
+            exception = self.get_proc_exception(conversion_proc)
             self.print_progress(document, True, str(exception), 0)
             document.mark_as_failed()
         except errors.ConversionException as e:
@@ -103,7 +103,7 @@ class IsolationProvider(ABC):
                 p.stdin.write(f.read())
                 p.stdin.close()
             except BrokenPipeError as e:
-                raise errors.ConverterProcException(p)
+                raise errors.ConverterProcException()
 
             assert p.stdout
             n_pages = read_int(p.stdout)
diff --git a/tests/isolation_provider/base.py b/tests/isolation_provider/base.py
index b9071b0..997471f 100644
--- a/tests/isolation_provider/base.py
+++ b/tests/isolation_provider/base.py
@@ -48,7 +48,7 @@ class IsolationProviderTest:
         monkeypatch.setattr(
             provider, "start_doc_to_pixels_proc", start_doc_to_pixels_proc
         )
-        with pytest.raises(errors.InterruptedConversionException):
+        with pytest.raises(errors.ConverterProcException):
             provider.doc_to_pixels(doc, tmpdir)
             assert provider.get_proc_exception(proc) == errors.MaxPagesException  # type: ignore [arg-type]
 
diff --git a/tests/isolation_provider/test_qubes.py b/tests/isolation_provider/test_qubes.py
index c21614a..c6dfd7f 100644
--- a/tests/isolation_provider/test_qubes.py
+++ b/tests/isolation_provider/test_qubes.py
@@ -58,7 +58,7 @@ class TestQubes(IsolationProviderTest):
             provider, "start_doc_to_pixels_proc", start_doc_to_pixels_proc
         )
 
-        with pytest.raises(errors.InterruptedConversionException) as e:
+        with pytest.raises(errors.ConverterProcException) as e:
             doc = Document(sample_doc)
             provider.doc_to_pixels(doc, tmpdir)
             assert provider.get_proc_exception(proc) == errors.QubesQrexecFailed  # type: ignore [arg-type]