libmatheval.git -

diff --git a/lib/matheval.c b/lib/matheval.c
index 12a5ffe..0d52192 100644
--- a/lib/matheval.c
+++ b/lib/matheval.c

@@ -85,8 +85,10 @@ evaluator_create(char *string)

/* Return null pointer as error indicator if parsing error

* occured. */

- if (!ok)

+ if (!ok) {

+ symbol_table_destroy(symbol_table);

return NULL;

+ }

/* Simplify tree represention of function. */

root = node_simplify(root);