diff --git a/Makefile b/Makefile
index 9baf6a6..af89e27 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 all: wibo
 
-CXXFLAGS = -Wall -g -m32 -std=c++2a -lstdc++ -MD
+CXXFLAGS = -Wall -g -m32 -std=c++17 -lstdc++ -MD
 LDFLAGS = -lstdc++fs
 
 BUILD_DIR := build