diff --git a/Makefile b/Makefile
index b9f1ede..7c29ab4 100644
--- a/Makefile
+++ b/Makefile
@@ -2,16 +2,16 @@
 # Third-party dependencies: libcurl and json-c (auto-detected via pkg-config).
 
 CC       ?= cc
-CFLAGS   ?= -O3 -flto -pipe -std=c11 -Wall -Wextra -pthread -D_POSIX_C_SOURCE=200809L
+CFLAGS   ?= -O3 -flto -pipe -std=c11 -Wall -D_POSIX_C_SOURCE=200809L -pthread
 SRCS     = main.c server.c jsonapi.c util.c
 HDRS     = hygate.h
 BINDIR   = bin
 BIN      = $(BINDIR)/hygate
 STATICBIN = $(BINDIR)/hygate.static
 
-# Library flags resolved at recipe time via pkg-config (portable backtick form).
+# Library flags resolved at recipe time via pkg-config (portable).
 # Falls back to plain -lcurl -ljson-c when pkg-config is unavailable.
-LIBS = $$(pkg-config --cflags --libs libcurl json-c 2>/dev/null || echo '-lcurl -ljson-c')
+LIBS = $$(pkg-config --cflags --libs libcurl json-c 2>/dev/null || echo '-lcurl -ljson-c') -pthread
 
 # For static builds we need the full transitive dependency list, which
 # pkg-config --static provides (nghttp2, ssl, crypto, z, ...).
@@ -32,4 +32,4 @@ $(STATICBIN): $(SRCS) $(HDRS)
 	$(CC) $(CFLAGS) -static $(SRCS) -o $@ $(STATICLIBS)
 
 clean:
-	rm -rf $(BINDIR)
+	rm -rf $(BINDIR)
\ No newline at end of file