diff --git a/src/libmain/local.mk b/src/libmain/local.mk
index 99da95e2797..7c87100ad36 100644
--- a/src/libmain/local.mk
+++ b/src/libmain/local.mk
@@ -8,7 +8,7 @@ libmain_SOURCES := $(wildcard $(d)/*.cc)
 
 libmain_CXXFLAGS += -I src/libutil -I src/libstore
 
-libmain_LDFLAGS += $(OPENSSL_LIBS)
+libmain_LDFLAGS += $(SODIUM_LIBS) $(OPENSSL_LIBS)
 
 libmain_LIBS = libstore libutil