diff --git a/ext/pdo_oci/oci_statement.c b/ext/pdo_oci/oci_statement.c
index 45be5ca1984..faecc2f7318 100755
--- a/ext/pdo_oci/oci_statement.c
+++ b/ext/pdo_oci/oci_statement.c
@@ -204,7 +204,7 @@ static sb4 oci_bind_output_cb(dvoid *ctx, OCIBind *bindp, ub4 iter, ub4 index, d
 	zval_dtor(param->parameter);
 
 	Z_STRLEN_P(param->parameter) = param->max_value_len;
-	Z_STRVAL_P(param->parameter) = emalloc(Z_STRLEN_P(param->parameter)+1);
+	Z_STRVAL_P(param->parameter) = ecalloc(1, Z_STRLEN_P(param->parameter)+1);
 	P->used_for_output = 1;
 
 	P->actual_len = Z_STRLEN_P(param->parameter);