diff --git a/CHANGELOG.md b/CHANGELOG.md
index 226e58b8..326c74b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Unversioned
 
 - Dev: Make code sanitizers opt in with the `CHATTERINO_SANITIZER_SUPPORT` CMake option. After that's enabled, use the `SANITIZE_*` flag to enable individual sanitizers. (#6493)
+- Dev: Fix 32-bit compile in PluginRepl. (#6483)
 
 ## 2.5.4
 
diff --git a/src/widgets/PluginRepl.cpp b/src/widgets/PluginRepl.cpp
index 2f68400b..b18df0a0 100644
--- a/src/widgets/PluginRepl.cpp
+++ b/src/widgets/PluginRepl.cpp
@@ -148,7 +148,7 @@ std::optional<QString> HistoricTextEdit::nextHistoryItem(qsizetype diff)
     bool wasUnfinishedInput = this->historyIdx >= this->history.size();
 
     auto nextIdx =
-        std::clamp(this->historyIdx + diff, 0LL, this->history.size());
+        std::clamp<qsizetype>(this->historyIdx + diff, 0, this->history.size());
     if (nextIdx == this->historyIdx)
     {
         return {};  // nothing changed