diff --git a/Makefile b/Makefile
index 7ef8a22..8e75b3d 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,7 @@ RM := /bin/rm -rf
 INSTALL := /usr/bin/install -c
 
 CXXFLAGS += -Wshadow -Wall -Wpedantic -Wextra -Wno-unused-parameter
-CXXFLAGS += -g3 -std=c++20
+CXXFLAGS += -g3 -std=c++17
 ifeq ($(DEBUG),1)
 	CXXFLAGS += -D DEBUG -O0
 	CONFIG := debug