diff --git a/bc/system/file/posix/System_File.cpp b/bc/system/file/posix/System_File.cpp
index f040868..61ae20f 100644
--- a/bc/system/file/posix/System_File.cpp
+++ b/bc/system/file/posix/System_File.cpp
@@ -187,7 +187,7 @@ bool GetRootChars(File::Filesystem* fs, Stacked::FileParms* parms) {
         parms->position = 1;
 
 #if defined(WHOA_SYSTEM_MAC)
-        if (name != -1) {
+        if (name + 1 != nullptr) {
             auto cmp = strncasecmp(name + 1, "Volumes", 7);
             auto volume = name + 9;
 
@@ -274,7 +274,7 @@ bool Copy(File::Filesystem* fs, Stacked::FileParms* parms) {
     auto sz_source = File::GetFileInfo(st_source)->size;
 
     // copybuffer size upper limit is BC_FILE_SYSTEM_COPYBUFFER_SIZE
-    size_t sz_copybuffer = std::min(sz_source, size_t(BC_FILE_SYSTEM_COPYBUFFER_SIZE));
+    size_t sz_copybuffer = std::min(static_cast<size_t(sz_source), static_cast<size_t>(BC_FILE_SYSTEM_COPYBUFFER_SIZE));
     auto   u8_copybuffer = reinterpret_cast<uint8_t*>(Memory::Allocate(sz_copybuffer));
 
     // Loop through the source file, reading segments into copybuffer