diff --git a/sfizz/FilePool.cpp b/sfizz/FilePool.cpp
index f08c5dfc..c5613f0c 100644
--- a/sfizz/FilePool.cpp
+++ b/sfizz/FilePool.cpp
@@ -45,7 +45,7 @@ std::unique_ptr<AudioBuffer<T>> readFromFile(SndfileHandle& sndFile, int numFram
     return returnedBuffer;
 }
 
-std::optional<sfz::FilePool::FileInformation> sfz::FilePool::getFileInformation(std::string_view filename) noexcept
+std::optional<sfz::FilePool::FileInformation> sfz::FilePool::getFileInformation(std::string_view filename, uint32_t offset) noexcept
 {
     std::filesystem::path file { rootDirectory / filename };
     if (!std::filesystem::exists(file))
@@ -72,11 +72,15 @@ std::optional<sfz::FilePool::FileInformation> sfz::FilePool::getFileInformation(
         if (config::preloadSize == 0)
             return returnedValue.end;
         else
-            return std::min(returnedValue.end, static_cast<uint32_t>(config::preloadSize));
+            return std::min(returnedValue.end, offset + static_cast<uint32_t>(config::preloadSize));
     }();
 
     if (preloadedData.contains(filename)) {
-        returnedValue.preloadedData = preloadedData[filename];
+        auto alreadyPreloaded = preloadedData[filename];
+        if (preloadedSize > alreadyPreloaded->getNumFrames()) {
+            alreadyPreloaded.reset(readFromFile<float>(sndFile, preloadedSize).get());
+        }
+        returnedValue.preloadedData = alreadyPreloaded;
     } else {
         returnedValue.preloadedData = std::shared_ptr<AudioBuffer<float>>(readFromFile<float>(sndFile, preloadedSize));
         preloadedData[filename] = returnedValue.preloadedData;
diff --git a/sfizz/FilePool.h b/sfizz/FilePool.h
index a6295fd2..31e31fb8 100644
--- a/sfizz/FilePool.h
+++ b/sfizz/FilePool.h
@@ -57,7 +57,7 @@ public:
         double sampleRate { config::defaultSampleRate };
         std::shared_ptr<AudioBuffer<float>> preloadedData;
     };
-    std::optional<FileInformation> getFileInformation(std::string_view filename) noexcept;
+    std::optional<FileInformation> getFileInformation(std::string_view filename, uint32_t offset) noexcept;
     void enqueueLoading(Voice* voice, std::string_view sample, int numFrames, unsigned ticket) noexcept;
 private:
     std::filesystem::path rootDirectory;
diff --git a/sfizz/Synth.cpp b/sfizz/Synth.cpp
index e59d66ea..86166454 100644
--- a/sfizz/Synth.cpp
+++ b/sfizz/Synth.cpp
@@ -194,7 +194,7 @@ bool sfz::Synth::loadSfzFile(const std::filesystem::path& filename)
         auto region = currentRegion->get();
 
         if (!region->isGenerator()) {
-            auto fileInformation = filePool.getFileInformation(region->sample);
+            auto fileInformation = filePool.getFileInformation(region->sample, region->offset + region->offsetRandom);
             if (!fileInformation) {
                 DBG("Removing the region with sample " << region->sample);
                 std::iter_swap(currentRegion, lastRegion);