1 files changed, 1 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 3663579..8871eaa 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ WARNINGS := -Wall -Wcast-align -Wcast-qual -Wextra -Wpedantic -Wformat=2 \
 PKG_CONFIG ?= pkg-config
 
 LIBS := libusb-1.0
-CPPFLAGS = -DVERSION=\"$(VERSION)\" -D_POSIX_C_SOURCE=200809L
+CPPFLAGS = -DVERSION=\"$(VERSION)\" -D_POSIX_C_SOURCE=200112L
 CFLAGS = -std=c11 -O2 -flto $(WARNINGS) -MMD -MP $(shell $(PKG_CONFIG) --cflags $(LIBS))
 LDFLAGS = -Wl,--as-needed -O2 -flto
 LDLIBS = $(shell $(PKG_CONFIG) --libs $(LIBS))