diff --git a/include/haproxy/vars.h b/include/haproxy/vars.h
index 33ee94665..9fa351c29 100644
--- a/include/haproxy/vars.h
+++ b/include/haproxy/vars.h
@@ -37,6 +37,8 @@ void var_accounting_diff(struct vars *vars, struct session *sess, struct stream
 unsigned int var_clear(struct var *var, int force);
 void vars_prune(struct vars *vars, struct session *sess, struct stream *strm);
 void vars_prune_per_sess(struct vars *vars);
+int var_set(uint64_t name_hash, enum vars_scope scope, struct sample *smp, uint flags);
+int var_unset(uint64_t name_hash, enum vars_scope scope, struct sample *smp);
 int vars_get_by_name(const char *name, size_t len, struct sample *smp, const struct buffer *def);
 int vars_set_by_name_ifexist(const char *name, size_t len, struct sample *smp);
 int vars_set_by_name(const char *name, size_t len, struct sample *smp);
diff --git a/src/vars.c b/src/vars.c
index 2cddb7749..a3433b5b4 100644
--- a/src/vars.c
+++ b/src/vars.c
@@ -363,7 +363,7 @@ static inline void var_clear_buffer(struct sample *smp, struct vars *vars, struc
  *
  * It returns 0 on failure, non-zero on success.
  */
-static int var_set(uint64_t name_hash, enum vars_scope scope, struct sample *smp, uint flags)
+int var_set(uint64_t name_hash, enum vars_scope scope, struct sample *smp, uint flags)
 {
 	struct vars *vars;
 	struct var *var;
@@ -515,7 +515,7 @@ static int var_set(uint64_t name_hash, enum vars_scope scope, struct sample *smp
  * session and stream found in <smp>. Note that stream may be null for
  * SCOPE_SESS. Returns 0 if the scope was not found otherwise 1.
  */
-static int var_unset(uint64_t name_hash, enum vars_scope scope, struct sample *smp)
+int var_unset(uint64_t name_hash, enum vars_scope scope, struct sample *smp)
 {
 	struct vars *vars;
 	struct var  *var;