diff --git a/soh/soh/Enhancements/randomizer/3drando/fill.cpp b/soh/soh/Enhancements/randomizer/3drando/fill.cpp
index 2ae05a475b..383dc9d8d9 100644
--- a/soh/soh/Enhancements/randomizer/3drando/fill.cpp
+++ b/soh/soh/Enhancements/randomizer/3drando/fill.cpp
@@ -736,7 +736,7 @@ static void PareDownPlaythrough() {
     }
 
     // Some spheres may now be empty, remove these
-    for (size_t i = ctx->playthroughLocations.size() - 2; i >= 0; i--) {
+    for (int32_t i = static_cast<int32_t>(ctx->playthroughLocations.size()) - 2; i >= 0; i--) {
         if (ctx->playthroughLocations.at(i).size() == 0) {
             ctx->playthroughLocations.erase(ctx->playthroughLocations.begin() + i);
         }