diff --git a/calibre-plugin/plugin-defaults.ini b/calibre-plugin/plugin-defaults.ini
index b25e5739..cc5c0871 100644
--- a/calibre-plugin/plugin-defaults.ini
+++ b/calibre-plugin/plugin-defaults.ini
@@ -2393,6 +2393,14 @@ extra_valid_entries:native_status
 ## this should go in your personal.ini, not defaults.ini.
 #is_adult:true
 
+## ficbook.net isn't putting html line breaks in anymore and using
+## this CSS instead.
+add_to_output_css:
+ .part_text {
+    word-break: break-word;
+    white-space: pre-wrap;
+ }
+
 [www.fictionalley.org]
 ## Some sites do not require a login, but do require the user to
 ## confirm they are adult for adult content.  In commandline version,
diff --git a/fanficfare/defaults.ini b/fanficfare/defaults.ini
index d034e3a7..8f28c6e8 100644
--- a/fanficfare/defaults.ini
+++ b/fanficfare/defaults.ini
@@ -2420,6 +2420,14 @@ extra_valid_entries:native_status
 ## this should go in your personal.ini, not defaults.ini.
 #is_adult:true
 
+## ficbook.net isn't putting html line breaks in anymore and using
+## this CSS instead.
+add_to_output_css:
+ .part_text {
+    word-break: break-word;
+    white-space: pre-wrap;
+ }
+
 [www.fictionalley.org]
 ## Some sites do not require a login, but do require the user to
 ## confirm they are adult for adult content.  In commandline version,