diff --git a/osxphotos/exifutils.py b/osxphotos/exifutils.py
index af11e6c5..614ae659 100644
--- a/osxphotos/exifutils.py
+++ b/osxphotos/exifutils.py
@@ -122,6 +122,11 @@ def get_exif_date_time_offset(
                 dt = f"{matched.group(1)} 00:00:00"
                 default_time = True
 
+    if offset:
+        # make sure we have offset
+        if not re.match(r"([+-]\d{2}:\d{2})", offset):
+            offset = None
+
     offset_seconds = exif_offset_to_seconds(offset) if offset else None
 
     if dt: