diff --git a/conf.v b/conf.v
index 9da2003..cfe137f 100644
--- a/conf.v
+++ b/conf.v
@@ -8,7 +8,7 @@ import toml
 // `${env.prefix}${field_name.to_upper()}${env.file_suffix}`, returning the
 // contents of the file instead if the latter. If both or neither exist, the
 // function returns an error.
-fn get_env_var(prefix string, field_name string, file_suffix string) ?string {
+fn get_env_var(prefix string, field_name string, file_suffix string) !string {
 	env_var_name := '$prefix$field_name.to_upper()'
 	env_file_name := '$prefix$field_name.to_upper()$file_suffix'
 	env_var := os.getenv(env_var_name)
@@ -49,7 +49,7 @@ pub struct LoadConfig {
 // file & environment variables. For each field, it will select either a value
 // given from an environment variable, a value defined in the config file or a
 // configured default if present, in that order.
-pub fn load<T>(conf LoadConfig) ?T {
+pub fn load<T>(conf LoadConfig) !T {
 	mut res := T{}
 
     // Later, this could be read from an env var as well.
@@ -58,7 +58,7 @@ pub fn load<T>(conf LoadConfig) ?T {
 	if os.exists(path) {
 		// We don't use reflect here because reflect also sets any fields not
 		// in the toml back to their zero value, which we don't want
-		doc := toml.parse_file(path)?
+		doc := toml.parse_file(path)!
 
 		$for field in T.fields {
 			s := doc.value(field.name)
@@ -74,7 +74,7 @@ pub fn load<T>(conf LoadConfig) ?T {
 	}
 
 	$for field in T.fields {
-		env_value := get_env_var(conf.prefix, field.name, conf.file_suffix)?
+		env_value := get_env_var(conf.prefix, field.name, conf.file_suffix)!
 
 		// The value of an env var will always take precedence over the toml
 		// file.