diff --git a/overlay/Makefile b/overlay/Makefile
index 5ff03b99..d7cdd369 100644
--- a/overlay/Makefile
+++ b/overlay/Makefile
@@ -47,7 +47,7 @@ CFLAGS	:=	-g -Wall -O2 -ffunction-sections \
 
 CFLAGS	+=	$(INCLUDE) -D__SWITCH__
 
-CXXFLAGS	:= $(CFLAGS) -fno-exceptions -std=gnu++17
+CXXFLAGS	:= $(CFLAGS) -fno-exceptions -std=gnu++20
 
 ASFLAGS	:=	-g $(ARCH)
 LDFLAGS	=	-specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)