diff --git a/lib/Makefile b/lib/Makefile
index f3641131..45a66fe2 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -4,7 +4,7 @@ LIBXBPS_MAJOR = 0
 LIBXBPS_MINOR = 0
 LIBXBPS_MICRO = 0
 LIBXBPS_SHLIB = libxbps.so.$(LIBXBPS_MAJOR).$(LIBXBPS_MINOR).$(LIBXBPS_MICRO)
-LDFLAGS += -larchive -lssl -lz
+LDFLAGS += -lpthread -larchive -lssl -lz
 LDFLAGS += -shared -Wl,-soname,libxbps.so.$(LIBXBPS_MAJOR)
 
 # portableproplib