1 files changed, 1 insertions, 1 deletions
diff --git a/src/conf.h b/src/conf.h
index 89995d1c..8aad9839 100644
--- a/src/conf.h
+++ b/src/conf.h
@@ -177,7 +177,7 @@ unsigned
 config_get_positive(const char *name, unsigned default_value);
 
 G_GNUC_PURE
-struct block_param *
+const struct block_param *
 config_get_block_param(const struct config_param *param, const char *name);
 
 G_GNUC_PURE