diff --git a/src/base/bittorrent/session.cpp b/src/base/bittorrent/session.cpp
index ab39677c0..71694358d 100644
--- a/src/base/bittorrent/session.cpp
+++ b/src/base/bittorrent/session.cpp
@@ -3113,22 +3113,20 @@ void Session::setCheckingMemUsage(int size)
 
 int Session::diskCacheSize() const
 {
-    int size = m_diskCacheSize;
     // These macros may not be available on compilers other than MSVC and GCC
 #if defined(__x86_64__) || defined(_M_X64)
-    size = qMin(size, 4096);  // 4GiB
+    return qMin(m_diskCacheSize.value(), 33554431);  // 32768GiB
 #else
     // When build as 32bit binary, set the maximum at less than 2GB to prevent crashes
     // allocate 1536MiB and leave 512MiB to the rest of program data in RAM
-    size = qMin(size, 1536);
+    return qMin(m_diskCacheSize.value(), 1536);
 #endif
-    return size;
 }
 
 void Session::setDiskCacheSize(int size)
 {
 #if defined(__x86_64__) || defined(_M_X64)
-    size = qMin(size, 4096);  // 4GiB
+    size = qMin(size, 33554431);  // 32768GiB
 #else
     // allocate 1536MiB and leave 512MiB to the rest of program data in RAM
     size = qMin(size, 1536);
diff --git a/src/gui/advancedsettings.cpp b/src/gui/advancedsettings.cpp
index 27ed7dfd5..f7f2cc7f5 100644
--- a/src/gui/advancedsettings.cpp
+++ b/src/gui/advancedsettings.cpp
@@ -341,7 +341,7 @@ void AdvancedSettings::loadAdvancedSettings()
     // When build as 32bit binary, set the maximum at less than 2GB to prevent crashes.
     // These macros may not be available on compilers other than MSVC and GCC
 #if defined(__x86_64__) || defined(_M_X64)
-    spinBoxCache.setMaximum(4096);
+    spinBoxCache.setMaximum(33554431);  // 32768GiB
 #else
     // allocate 1536MiB and leave 512MiB to the rest of program data in RAM
     spinBoxCache.setMaximum(1536);