diff --git a/conf/solr/conf/managed-schema.xml b/conf/solr/conf/managed-schema.xml
index a1c0b23daac..ade7faa77bb 100644
--- a/conf/solr/conf/managed-schema.xml
+++ b/conf/solr/conf/managed-schema.xml
@@ -578,42 +578,46 @@
cases will work, for example query "wi fi" will match
document "WiFi" or "wi-fi".
-->
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diff --git a/conf/solr/conf/wordtypes.txt b/conf/solr/conf/wordtypes.txt
index 9949618a747..db48048cbe2 100644
--- a/conf/solr/conf/wordtypes.txt
+++ b/conf/solr/conf/wordtypes.txt
@@ -20,4 +20,6 @@
# "copyright" symbol (©), see https://github.com/internetarchive/openlibrary/issues/7555
\u00A9 => ALPHANUM
# number sign (#), only as alphabetic for case like 'C#'
-\u0023 => ALPHA
\ No newline at end of file
+\u0023 => ALPHA
+# question mark (?), treat as delimiter
+\u003F => ALPHANUM
\ No newline at end of file