diff --git a/zeno/utils/SignalHooks.cpp b/zeno/utils/SignalHooks.cpp
index 82a2a85232..102d2215eb 100644
--- a/zeno/utils/SignalHooks.cpp
+++ b/zeno/utils/SignalHooks.cpp
@@ -1,10 +1,10 @@
 #include <zeno/zeno.h>
 #include <zeno/utils/zlog.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <signal.h>
+#include <cstdio>
+#include <cstdlib>
+#include <csignal>
 #ifdef __linux__
+#include <string.h>
 #include <unistd.h>
 #endif
 
@@ -32,7 +32,15 @@ void trigger_gdb() {
 
 #ifdef ZENO_FAULTHANDLER
 static void signal_handler(int signo) {
+#ifdef __linux__
     zlog::error("recieved signal {}: {}", signo, strsignal(signo));
+#else
+    const char *signame = "SIG-unknown";
+    if (signo == SIGSEGV) signame = "SIGSEGV";
+    if (signo == SIGFPE) signame = "SIGFPE";
+    if (signo == SIGILL) signame = "SIGILL";
+    zlog::error("recieved signal {}: {}", signo, signame);
+#endif
     print_traceback();
     trigger_gdb();
     exit(-signo);
@@ -45,7 +53,9 @@ static int registerMyHandlers() {
     signal(SIGSEGV, signal_handler);
     signal(SIGFPE, signal_handler);
     signal(SIGILL, signal_handler);
+#ifdef __linux__
     signal(SIGBUS, signal_handler);
+#endif
     return 1;
 }
 
diff --git a/zeno/utils/StackTraceback.cpp b/zeno/utils/StackTraceback.cpp
index 394b75eb59..04213bf5ac 100644
--- a/zeno/utils/StackTraceback.cpp
+++ b/zeno/utils/StackTraceback.cpp
@@ -20,10 +20,7 @@
 #include <execinfo.h>
 #include <cxxabi.h>
 #endif
-#ifdef _WIN64
-#include <intrin.h>
-#include <dbghelp.h>
-
+#ifdef _WIN32
 #include <windows.h>
 // Never directly include <windows.h>. That will bring you evil max/min macros.
 #if defined(min)
@@ -32,6 +29,8 @@
 #if defined(max)
 #undef max
 #endif
+#include <intrin.h>
+#include <dbghelp.h>
 
 #pragma comment(lib, "dbghelp.lib")
 //  https://gist.github.com/rioki/85ca8295d51a5e0b7c56e5005b0ba8b4
@@ -91,7 +90,7 @@ struct StackFrame {
 };
 
 inline std::vector<StackFrame> stack_trace() {
-#if _WIN64
+#if _WIN32
   DWORD machine = IMAGE_FILE_MACHINE_AMD64;
 #else
   DWORD machine = IMAGE_FILE_MACHINE_I386;
@@ -110,7 +109,7 @@ inline std::vector<StackFrame> stack_trace() {
   context.ContextFlags = CONTEXT_FULL;
   RtlCaptureContext(&context);
 
-#if _WIN64
+#if _WIN32
   STACKFRAME frame = {};
   frame.AddrPC.Offset = context.Rip;
   frame.AddrPC.Mode = AddrModeFlat;
@@ -136,7 +135,7 @@ inline std::vector<StackFrame> stack_trace() {
     StackFrame f = {};
     f.address = frame.AddrPC.Offset;
 
-#if _WIN64
+#if _WIN32
     DWORD64 moduleBase = 0;
 #else
     DWORD moduleBase = 0;
@@ -151,7 +150,7 @@ inline std::vector<StackFrame> stack_trace() {
     } else {
       f.module = "Unknown Module";
     }
-#if _WIN64
+#if _WIN32
     DWORD64 offset = 0;
 #else
     DWORD offset = 0;
@@ -294,7 +293,7 @@ void print_traceback() {
       "========================================================================"
       "==================\n");
   printf("\n");
-#elif defined(_WIN64)
+#elif defined(_WIN32)
   // Windows
   fmt::print(fg(fmt::color::magenta), "************************\n");
   fmt::print(fg(fmt::color::magenta), "* Zeno Stack Traceback *\n");
diff --git a/zenqt/system/dll.py b/zenqt/system/dll.py
index ab22922a52..376d6e2092 100644
--- a/zenqt/system/dll.py
+++ b/zenqt/system/dll.py
@@ -2,33 +2,36 @@
 
 from .utils import rel2abs, os_name
 
-'''
+lib_dir = rel2abs(__file__, '..', 'lib')
+
+#'''
 if os_name == 'win32':
-    dllpath = rel2abs(__file__, 'lib')
-    os.environ['PATH'] += os.pathsep + dllpath
+    os.environ['PATH'] += os.pathsep + lib_dir
     ctypes.cdll.LoadLibrary('zeno.dll')
 elif os_name == 'darwin':
-    ctypes.cdll.LoadLibrary(rel2abs(__file__, 'lib', 'libzeno.dylib'))
+    ctypes.cdll.LoadLibrary(os.path.join(lib_dir, 'libzeno.dylib'))
 else:
-    ctypes.cdll.LoadLibrary(rel2abs(__file__, 'lib', 'libzeno.so'))
-'''
+    ctypes.cdll.LoadLibrary(os.path.join(lib_dir, 'libzeno.so'))
+#'''
 
 from . import pyzeno as core
 
 def loadAutoloads():
-    dir = rel2abs(__file__, 'lib')
-    print('loading addons from', dir)
-    if not os.path.isdir(dir):
+    print('loading addons from', lib_dir)
+    if not os.path.isdir(lib_dir):
         return
 
     paths = []
-    for name in os.listdir(dir):
-        path = os.path.join(dir, name)
+    for name in os.listdir(lib_dir):
+        path = os.path.join(lib_dir, name)
         if os.path.islink(path):
             continue
         if os_name == 'win32':
             if name.endswith('.dll'):
                 paths.append(name)
+        elif os_name == 'darwin':
+            if name.endswith('.dylib'):
+                paths.append(name)
         else:
             if 'so' in name.split(os.extsep):
                 paths.append(path)