diff --git a/spacy/errors.py b/spacy/errors.py
index 289d2cfed..89b09c09a 100644
--- a/spacy/errors.py
+++ b/spacy/errors.py
@@ -157,6 +157,8 @@ class Warnings:
             "`spacy.load()` to ensure that the model is loaded on the correct "
             "device. More information: "
             "http://spacy.io/usage/v3#jupyter-notebook-gpu")
+    W112 = ("The model specified to use for initial vectors ({name}) has no "
+            "vectors. This is almost certainly a mistake.")
 
 
 @add_codes
diff --git a/spacy/training/initialize.py b/spacy/training/initialize.py
index f623627eb..69861a9a9 100644
--- a/spacy/training/initialize.py
+++ b/spacy/training/initialize.py
@@ -133,6 +133,10 @@ def load_vectors_into_model(
         )
         err = ConfigValidationError.from_error(e, title=title, desc=desc)
         raise err from None
+
+    if len(vectors_nlp.vocab.vectors.keys()) == 0:
+        logger.warning(Warnings.W112.format(name=name))
+
     nlp.vocab.vectors = vectors_nlp.vocab.vectors
     if add_strings:
         # I guess we should add the strings from the vectors_nlp model?