diff --git a/src/backend/core/Mem.cpp b/src/backend/core/Mem.cpp
index 88e4145..15330aa 100644
--- a/src/backend/core/Mem.cpp
+++ b/src/backend/core/Mem.cpp
@@ -60,7 +60,7 @@ void Mem::LoadSRAM(SaveType save_type, fs::path path) {
         return;
     }
 
-    saveData = mio::make_mmap_sink(sramPath, 0, mio::map_entire_file, error);
+    saveData = mio::make_mmap_sink(sramPath, error);
     if (error) {
       Util::Error::GetInstance().Throw(
         {Util::Error::Severity::NON_FATAL}, {Util::Error::Type::MMAP_MAKE_SINK_ERROR},
diff --git a/src/backend/core/mem/Flash.cpp b/src/backend/core/mem/Flash.cpp
index d24d2ad..0882676 100644
--- a/src/backend/core/mem/Flash.cpp
+++ b/src/backend/core/mem/Flash.cpp
@@ -45,7 +45,7 @@ void Flash::Load(SaveType saveType, const std::string &path) {
       panic("Corrupt SRAM!");
     }
 
-    saveData = mio::make_mmap_sink(flashPath, 0, mio::map_entire_file, error);
+    saveData = mio::make_mmap_sink(flashPath, error);
     if (error) {
       panic("Could not make mmap {}", flashPath);
     }
diff --git a/src/backend/core/mmio/PIF.cpp b/src/backend/core/mmio/PIF.cpp
index 913f7dd..925ef01 100644
--- a/src/backend/core/mmio/PIF.cpp
+++ b/src/backend/core/mmio/PIF.cpp
@@ -60,7 +60,7 @@ void PIF::MaybeLoadMempak() {
       panic("Corrupt mempak!");
     }
 
-    mempak = mio::make_mmap_sink(mempakPath, 0, mio::map_entire_file, error);
+    mempak = mio::make_mmap_sink(mempakPath, error);
     if (error) {
       panic("Could not open {}", mempakPath);
     }
@@ -116,7 +116,7 @@ void PIF::LoadEeprom(const SaveType saveType, const std::string &path) {
       panic("Corrupt eeprom!");
     }
 
-    eeprom = mio::make_mmap_sink(eepromPath, 0, mio::map_entire_file, error);
+    eeprom = mio::make_mmap_sink(eepromPath, error);
     if (error) {
       panic("Could not open {}. Reason {}", eepromPath, error.message());
     }