diff --git a/contrib/bc/src/program.c b/contrib/bc/src/program.c
index 1a8176c76f96..20b301e5bc05 100644
--- a/contrib/bc/src/program.c
+++ b/contrib/bc/src/program.c
@@ -180,7 +180,7 @@ static inline BcVec* bc_program_vec(const BcProgram *p, size_t idx, BcType type)
 
 static BcNum* bc_program_num(BcProgram *p, BcResult *r) {
 
-	BcNum *n;
+	BcNum *n = NULL;
 
 	switch (r->t) {