diff --git a/backend/lesson_info.py b/backend/lesson_info.py
index ca5cc62b..177ef43e 100644
--- a/backend/lesson_info.py
+++ b/backend/lesson_info.py
@@ -16,8 +16,9 @@
 
 
 class _InfoParsers:
-    _teacher_name = r"[A-ZÄÖÜ][a-zäöüß]+(?: [A-ZÄÖÜ][a-zäöüß]+(?:-[A-ZÄÖÜ][a-zäöüß]+|\.)?)+"
-    _teacher_abbreviation = r"[A-ZÄÖÜ][A-ZÄÖÜa-zäöüß]*"
+    _teacher_name = (r"[A-ZÄÖÜ][a-zäöüß]+(?: [A-ZÄÖÜ][a-zäöüß]+(?:-[A-ZÄÖÜ][a-zäöüß]+)?\.?)*"
+                     r"(?: [A-ZÄÖÜ][a-zäöüß]+(?:-[A-ZÄÖÜ][a-zäöüß]+)?)")
+    _teacher_abbreviation = r"[A-ZÄÖÜ][A-ZÄÖÜa-zäöüß]{2,}"
     _teacher = fr"(?:{_teacher_name})|(?:{_teacher_abbreviation})"
 
     # teacher a,teacher b
@@ -819,7 +820,7 @@ def add_fuzzy_teachers(text: str, teacher_abbreviation_by_surname: dict[str, str
     segments = []
 
     prev = 0
-    for match in re.finditer(r"\b\w+", text):
+    for match in re.finditer(rf"{_InfoParsers._teacher}|\b\w+", text):
         segments.append(LessonInfoTextSegment(text[prev:match.start()]))
         prev = match.end()
 
diff --git a/backend/plan_processor.py b/backend/plan_processor.py
index 99c97dd6..67fb5d9b 100644
--- a/backend/plan_processor.py
+++ b/backend/plan_processor.py
@@ -14,7 +14,7 @@
 
 
 class PlanProcessor:
-    VERSION = "78"
+    VERSION = "79"
 
     def __init__(self, cache: Cache, school_number: str, *, logger: logging.Logger):
         self._logger = logger