diff --git a/Makefile.haiku b/Makefile.haiku
index bc3094f6..5dce7d7f 100644
--- a/Makefile.haiku
+++ b/Makefile.haiku
@@ -1,8 +1,8 @@
 CXX = g++
-CXXFLAGS := -Wall -std=c++17
+CXXFLAGS := -Wall -std=c++20
 INCFLAGS = -I/system/develop/headers
 DEFINES = -D_DEFAULT_SOURCE -D_GNU_SOURCE
-LDLIBS = -lbe -lbsd -lnetwork -lz -lssl -lcrypto -lboost_system -lboost_program_options -lpthread
+LDLIBS = -lbe -lbsd -lnetwork -lz -lssl -lcrypto -lboost_program_options -lpthread
 
 ifeq ($(USE_UPNP),yes)
 	DEFINES += -DUSE_UPNP