--- Makefile.master.orig	2025-01-25 14:35:14 UTC
+++ Makefile.master
@@ -2,7 +2,7 @@ include $(PATHTOROOT)/Plugins/Makefile.master
 
 include $(PATHTOROOT)/Plugins/Makefile.master
 
-CXXFLAGS += -DOFX_EXTENSIONS_VEGAS -DOFX_EXTENSIONS_NUKE -DOFX_EXTENSIONS_TUTTLE -DOFX_EXTENSIONS_NATRON -DOFX_SUPPORTS_OPENGLRENDER -I$(SRCDIR)/SupportExt -std=c++11
+CXXFLAGS += -DOFX_EXTENSIONS_VEGAS -DOFX_EXTENSIONS_NUKE -DOFX_EXTENSIONS_TUTTLE -DOFX_EXTENSIONS_NATRON -DOFX_SUPPORTS_OPENGLRENDER -I$(SRCDIR)/SupportExt -std=c++20
 VPATH += $(SRCDIR)/SupportExt
 
 # ImageMagick
@@ -87,7 +87,7 @@ ifeq ($(FREEBSD),1)
 
 # FreeBSD
 ifeq ($(FREEBSD),1)
-  CXXFLAGS += -I/usr/local/include -std=c++11
+  CXXFLAGS += -I/usr/local/include
   LDFLAGS += -L/usr/local/lib
 endif