diff --git a/src/toolbox_scs/mnemonics_machinery.py b/src/toolbox_scs/mnemonics_machinery.py
index f7b5a031c23005e9da889813f2dd184a57f33602..0a3e080f5b8ed97b329984b7db4ced481627f410 100644
--- a/src/toolbox_scs/mnemonics_machinery.py
+++ b/src/toolbox_scs/mnemonics_machinery.py
@@ -9,7 +9,7 @@
 import logging
 
 from .constants import mnemonics as _mnemonics
-
+from extra_data import open_run
 __all__ = [
     'mnemonics_for_run'
 ]
@@ -17,15 +17,20 @@ __all__ = [
 log = logging.getLogger(__name__)
 
 
-def mnemonics_for_run(run):
+def mnemonics_for_run(prop_or_run, runNB=None):
     """
     Returns the availble ToolBox mnemonics for a give extra_data
-    DataCollection
+    DataCollection, or a given proposal + run number.
 
     Parameters
     ----------
-    run: extra_data DataCollection
-        The run to check for mnemonics
+    prop_or_run: extra_data DataCollection or int
+        The run (DataCollection) to check for mnemonics.
+        Alternatively, the proposal number (int), for which the runNB
+        is also required.
+    runNB: int
+        The run number. Only used if the first argument is the proposal
+        number.
 
     Returns
     -------
@@ -35,9 +40,11 @@ def mnemonics_for_run(run):
     Example
     -------
     >>> import toolbox_scs as tb
-    >>> run, _ = tb.load(2212, 213)
-    >>> tb.mnemonics_for_run(run)
+    >>> tb.mnemonics_for_run(2212, 213)
     """
+    run = prop_or_run
+    if runNB is not None:
+        run = open_run(prop_or_run, runNB)
     result = {}
     for m in _mnemonics:
         version = mnemo_version_index(run, m)