diff --git a/media-gfx/openscad/openscad-2021.01.recipe b/media-gfx/openscad/openscad-2021.01.recipe
index 928794fd7..a785fbb22 100644
--- a/media-gfx/openscad/openscad-2021.01.recipe
+++ b/media-gfx/openscad/openscad-2021.01.recipe
@@ -72,7 +72,7 @@ REQUIRES="
 BUILD_REQUIRES="
 	haiku${secondaryArchSuffix}_devel
 	devel:eigen$secondaryArchSuffix
-	devel:libboost_filesystem$secondaryArchSuffix >= 1.83.0
+	devel:libboost_filesystem$secondaryArchSuffix >= 1.88.0
 	devel:libcairo$secondaryArchSuffix
 	devel:libcgal$secondaryArchSuffix
 	devel:libdouble_conversion$secondaryArchSuffix
diff --git a/media-gfx/openscad/patches/openscad-2021.01.patchset b/media-gfx/openscad/patches/openscad-2021.01.patchset
index 7a15330a9..e4074207d 100644
--- a/media-gfx/openscad/patches/openscad-2021.01.patchset
+++ b/media-gfx/openscad/patches/openscad-2021.01.patchset
@@ -1,4 +1,4 @@
-From a3963e0e69345f01ce95e249374cab439a7db982 Mon Sep 17 00:00:00 2001
+From 6addb381b30720eda1d86a63d5f4b5e0d838ecce Mon Sep 17 00:00:00 2001
 From: Luc Schrijvers <begasus@gmail.com>
 Date: Sat, 22 Mar 2025 06:42:20 +0100
 Subject: Use OffscreenContextNULL for Haiku
@@ -27,10 +27,10 @@ index b76ca76..f9ceb26
    SOURCES += src/imageutils-macosx.cc
    OBJECTIVE_SOURCES += src/OffscreenContextCGL.mm
 -- 
-2.48.1
+2.50.1
 
 
-From 1ecd3ada0ec2106536ad487c6f3939efc6732c47 Mon Sep 17 00:00:00 2001
+From 9b7e218826be0e2841938ceb66367a8e89bf5b52 Mon Sep 17 00:00:00 2001
 From: Luc Schrijvers <begasus@gmail.com>
 Date: Sat, 22 Mar 2025 07:00:10 +0100
 Subject: No GL/glxew.h on Haiku (yet)
@@ -59,5 +59,28 @@ index f1216c6..7ea3cdc 100644
  #endif
    }
 -- 
-2.48.1
+2.50.1
+
+
+From 50383d63afc4383f9f514afbca7c8696d33fdea6 Mon Sep 17 00:00:00 2001
+From: Luc Schrijvers <begasus@gmail.com>
+Date: Tue, 2 Sep 2025 17:09:56 +0200
+Subject: Build fix
+
+
+diff --git a/src/FileModule.cc b/src/FileModule.cc
+index ce57b1f..71e343c 100644
+--- a/src/FileModule.cc
++++ b/src/FileModule.cc
+@@ -65,7 +65,7 @@ void FileModule::registerUse(const std::string path, const Location &loc)
+ 	auto ext = fs::path(path).extension().generic_string();
+ 
+ 	if (boost::iequals(ext, ".otf") || boost::iequals(ext, ".ttf")) {
+-		if (fs::is_regular(path)) {
++		if (fs::is_regular_file(path)) {
+ 			FontCache::instance()->register_font_file(path);
+ 		} else {
+ 			LOG(message_group::Error,Location::NONE,"","Can't read font with path '%1$s'",path);
+-- 
+2.50.1