diff --git a/ports/geckolib/tools/regen_style_structs.sh b/ports/geckolib/tools/regen_style_structs.sh
index 5e349e91741..0add57034df 100755
--- a/ports/geckolib/tools/regen_style_structs.sh
+++ b/ports/geckolib/tools/regen_style_structs.sh
@@ -70,7 +70,11 @@ fi
   -match "nsTSubstring"                                             \
   -match "nsTString"                                                \
   -blacklist-type "nsStringComparator"                              \
+  -blacklist-type "nsCStringComparator"                             \
   -blacklist-type "nsDefaultStringComparator"                       \
+  -blacklist-type "nsDefaultCStringComparator"                      \
+  -blacklist-type "nsCaseInsensitiveCStringArrayComparator"         \
+  -blacklist-type "nsCaseInsensitiveCStringComparator"              \
   -include "$1/mozilla-config.h"                                    \
   -o ../gecko_style_structs.rs                                      \
   "$DIST_INCLUDE/nsString.h"