diff --git a/common/src/Makefile.mk b/common/src/Makefile.mk
index 889ba7da..741b319d 100644
--- a/common/src/Makefile.mk
+++ b/common/src/Makefile.mk
@@ -47,10 +47,10 @@ UNIFYFS_COMMON_BASE_SRCS = \
 
 UNIFYFS_COMMON_BASE_FLAGS = \
   -DSYSCONFDIR="$(sysconfdir)" \
-  $(MARGO_CFLAGS)
+  $(MARGO_CFLAGS) $(OPENSSL_CFLAGS)
 
 UNIFYFS_COMMON_BASE_LIBS = \
-  $(MARGO_LDFLAGS) $(MARGO_LIBS) -lmercury_util \
+  $(MARGO_LDFLAGS) $(MARGO_LIBS) $(OPENSSL_LIBS) -lmercury_util \
   -lm -lrt -lcrypto -lpthread
 
 UNIFYFS_COMMON_OPT_FLAGS =