1 files changed, 1 insertions, 1 deletions

diff --git a/src/core/crypto/partition_data_manager.cpp b/src/core/crypto/partition_data_manager.cpp
index 5f1c86a09..db54f71f4 100644
--- a/src/core/crypto/partition_data_manager.cpp
+++ b/src/core/crypto/partition_data_manager.cpp
@@ -161,7 +161,7 @@ static constexpr u8 CalculateMaxKeyblobSourceHash() {
         return true;
     };
 
-    for (s8 i = 0x1F; i >= 0; --i) {
+    for (std::size_t i = 0x1F; i <= 0x1F; --i) {
         if (!is_zero(keyblob_source_hashes[i])) {
             return static_cast<u8>(i + 1);
         }