diff --git a/CHANGES b/CHANGES
index 4afa807b69..84a8b9d0a0 100644
--- a/CHANGES
+++ b/CHANGES
@@ -16,6 +16,8 @@ Features added
 Bugs fixed
 ----------
 
+#10594: HTML: field term colons are doubled if using Docutils 0.18+
+
 Testing
 --------
 
diff --git a/sphinx/themes/basic/static/basic.css_t b/sphinx/themes/basic/static/basic.css_t
index d8f3fe7462..e488dbcb1c 100644
--- a/sphinx/themes/basic/static/basic.css_t
+++ b/sphinx/themes/basic/static/basic.css_t
@@ -686,6 +686,12 @@ dl.field-list > dt {
     padding-right: 5px;
 }
 
+/* Compatibility patch for Docutils 0.18+ */
+dl.field-list > dt .colon {
+    display: none;
+}
+
+/* Docutils 0.17 and older */
 dl.field-list > dt:after {
     content: ":";
 }