diff --git a/ext/pdo_oci/oci_driver.c b/ext/pdo_oci/oci_driver.c
index cb920ab14a268..3e2040e0c63b5 100644
--- a/ext/pdo_oci/oci_driver.c
+++ b/ext/pdo_oci/oci_driver.c
@@ -227,8 +227,10 @@ static int oci_handle_closer(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
 		H->server = NULL;
 	}
 
-	OCIHandleFree(H->err, OCI_HTYPE_ERROR);
-	H->err = NULL;
+	if (H->err) {
+		OCIHandleFree(H->err, OCI_HTYPE_ERROR);
+		H->err = NULL;
+	}
 
 	if (H->charset && H->env) {
 		OCIHandleFree(H->env, OCI_HTYPE_ENV);
diff --git a/ext/pdo_oci/oci_statement.c b/ext/pdo_oci/oci_statement.c
index da3542559fdb9..be51b6fb284d5 100644
--- a/ext/pdo_oci/oci_statement.c
+++ b/ext/pdo_oci/oci_statement.c
@@ -99,7 +99,7 @@ static int oci_stmt_dtor(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
 				switch (S->cols[i].dtype) {
 					case SQLT_BLOB:
 					case SQLT_CLOB:
-						/* do nothing */
+						OCIDescriptorFree(S->cols[i].data, OCI_DTYPE_LOB);
 						break;
 					default:
 						efree(S->cols[i].data);
@@ -654,7 +654,6 @@ static int oci_blob_close(php_stream *stream, int close_handle TSRMLS_DC)
 
 	if (close_handle) {
 		OCILobClose(self->S->H->svc, self->S->err, self->lob);
-		OCIDescriptorFree(self->lob, OCI_DTYPE_LOB);
 		efree(self);
 	}