diff --git a/Makefile b/Makefile
index de88bc07..723e9a52 100644
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,8 @@ bin: autoortho/.version
 		./autoortho/__main__.py -o autoortho_lin.bin
 
 autoortho_osx.bin: autoortho/.version
-	python3.10 -m nuitka --verbose --verbose-output=nuitka.log \
+	#python3.10 -m nuitka --verbose --verbose-output=nuitka.log 
+	python3 -m nuitka --verbose --verbose-output=nuitka.log \
 		--macos-app-icon=autoortho/imgs/ao-icon.ico \
 		--enable-plugin=eventlet \
 		--enable-plugin=tk-inter \
diff --git a/autoortho/aoimage/Makefile.osx b/autoortho/aoimage/Makefile.osx
index 96cbbd45..ba70e0e1 100644
--- a/autoortho/aoimage/Makefile.osx
+++ b/autoortho/aoimage/Makefile.osx
@@ -2,6 +2,7 @@
 
 TARGET=main
 JPGT=/opt/libjpeg-turbo/lib64/
+#JPGT=/opt/homebrew/opt/jpeg-turbo/lib
 
 HEADERS=$(wildcard *.h)
 OBJECTS=aoimage.o
@@ -10,13 +11,20 @@ OBJECTS=aoimage.o
 CC=gcc
 LD=gcc
 
-CFLAGS+=-O2 -Wall -fPIC -fdiagnostics-color -fvisibility=hidden \
-	 $(DEFINES)
+CFLAGS+=-O2 -arch arm64 -arch x86_64 -Wall -fPIC -fdiagnostics-color -fvisibility=hidden -I/opt/libjpeg-turbo/include/ \
+	$(DEFINES)
 
-LDFLAGS=-shared -rdynamic -nodefaultlibs  -lpthread
+LDFLAGS=-shared -rdynamic -nodefaultlibs -arch arm64 -arch x86_64 -lpthread
 #LIBS=-lturbojpeg
-#LIBS=./libturbojpeg.a
-LIBS=-L$(JPGT) -lturbojpeg
+# Statically linked with libjpeg-turbo-3.0.1
+LIBS=$(JPGT)/libturbojpeg.a
+#LIBS=-L$(JPGT) -lturbojpeg
+
+#CFLAGS+=-O2 -Wall -fPIC -fdiagnostics-color -fvisibility=hidden \
+	 $(DEFINES)
+#
+#LDFLAGS=-shared -rdynamic -nodefaultlibs  -lpthread
+#LIBS=-L$(JPGT) -lturbojpeg
 
 all: $(TARGET)
 
@@ -25,11 +33,10 @@ all: $(TARGET)
 
 main: main.c aoimage.dylib $(HEADERS)
 	$(CC) $(CFLAGS) -o main \
-		main.c aoimage.c  $(LIBS)
+	main.c aoimage.c  $(LIBS)
 
 aoimage.dylib: $(OBJECTS)
 	$(LD) -o aoimage.dylib $(LDFLAGS) $(OBJECTS) $(LIBS)
 
 clean:
 	rm -f $(OBJECTS) $(TARGET) aoimage.dylib
-
diff --git a/autoortho/aoimage/aoimage.dylib b/autoortho/aoimage/aoimage.dylib
old mode 100644
new mode 100755
index 02079feb..8284e1f5
Binary files a/autoortho/aoimage/aoimage.dylib and b/autoortho/aoimage/aoimage.dylib differ
diff --git a/autoortho/autoortho.py b/autoortho/autoortho.py
index 5ab0fe54..1b9066ea 100644
--- a/autoortho/autoortho.py
+++ b/autoortho/autoortho.py
@@ -140,6 +140,14 @@ def diagnose(CFG):
                 log.warning(f"    Maptype: {maptype} FAILED!")
                 failed = True
 
+    log.info(f"Checking DDS file compression:")
+    dds_compressor = CFG.pydds.compressor.upper()
+    if dds_compressor != "ISPC" and platform.system().lower() == 'darwin':
+        log.warning(f"    {dds_compressor} FAILED! Not supported on MacOS, use ISPC instead!")
+        failed = True
+    else:
+        log.info(f"    {dds_compressor} OK!")
+
     log.info("------------------------------------")
     if failed:
         log.warning("***************")
diff --git a/autoortho/flighttrack.py b/autoortho/flighttrack.py
index d40f9409..75103167 100644
--- a/autoortho/flighttrack.py
+++ b/autoortho/flighttrack.py
@@ -5,6 +5,7 @@
 import json
 import socket
 import threading
+import platform
 from aoconfig import CFG
 import logging
 log = logging.getLogger(__name__)
@@ -23,6 +24,11 @@
 app.config['SECRET_KEY'] = 'secret!'
 socketio = SocketIO(app)
 
+if platform.system().lower() == 'darwin':
+    local_host = '127.0.0.1'
+else:
+    local_host = '0.0.0.0'
+
 
 class FlightTracker(object):
     
@@ -192,13 +198,13 @@ def metrics():
 def run():
     #app.run(host='0.0.0.0', port=CFG.flightdata.webui_port, debug=CFG.general.debug, threaded=True, use_reloader=False)
     log.info("Start flighttracker...")
-    socketio.run(app, host='0.0.0.0', port=int(CFG.flightdata.webui_port))
-    log.info("Exiting flighttracker ...") 
+    socketio.run(app, host=local_host, port=int(CFG.flightdata.webui_port))
+    log.info("Exiting flighttracker ...")
 
 def main():
     ft.start()
     try:
-        app.run(host='0.0.0.0', debug=False, threaded=True, use_reloader=False)
+        app.run(host=local_host, debug=False, threaded=True, use_reloader=False)
     except KeyboardInterrupt:
         print("Shutdown requested.")
     finally:
diff --git a/autoortho/pydds.py b/autoortho/pydds.py
index 25b223dc..ff0d591d 100644
--- a/autoortho/pydds.py
+++ b/autoortho/pydds.py
@@ -30,13 +30,18 @@
     _stb_path = os.path.join(os.path.dirname(os.path.realpath(__file__)),'lib','windows','stb_dxt.dll')
     _ispc_path = os.path.join(os.path.dirname(os.path.realpath(__file__)),'lib','windows','ispc_texcomp.dll')
 elif platform.system().lower() == 'darwin':
-    #_stb_path = os.path.join(os.path.dirname(os.path.realpath(__file__)),'lib','darwin_arm','libstbdxt.dylib')
+    # Note, issues with STB so disabled for macos
+    # _stb_path = os.path.join(os.path.dirname(os.path.realpath(__file__)),'lib','darwin_arm','libstbdxt.dylib')
     _ispc_path = os.path.join(os.path.dirname(os.path.realpath(__file__)),'lib','darwin_arm','libispc_texcomp.dylib')
 else:
     print("System is not supported")
     exit()
 
-#_stb = CDLL(_stb_path)
+if platform.system().lower() == 'darwin':
+    _stb = None
+else:
+    _stb = CDLL(_stb_path)
+
 _ispc = CDLL(_ispc_path)
 
 DDSD_CAPS = 0x00000001          # dwCaps/dwCaps2 is enabled.