diff --git a/src/partition/repart.c b/src/partition/repart.c
index 2ce9bfe2c7..90a9c98a70 100644
--- a/src/partition/repart.c
+++ b/src/partition/repart.c
@@ -457,7 +457,7 @@ static bool context_drop_one_priority(Context *context) {
         return true;
 }
 
-static uint64_t partition_min_size(Context *context, const Partition *p) {
+static uint64_t partition_min_size(const Context *context, const Partition *p) {
         uint64_t sz;
 
         assert(context);