diff --git a/avidemux/osxInstaller/CMakeLists.txt b/avidemux/osxInstaller/CMakeLists.txt
index eaff8ffb8..43547c07a 100644
--- a/avidemux/osxInstaller/CMakeLists.txt
+++ b/avidemux/osxInstaller/CMakeLists.txt
@@ -120,6 +120,7 @@ ENDFOREACH(lang ${ListOfTranslationFiles})
 
 # Fixup bundle
 CONFIGURE_FILE("${CMAKE_SOURCE_DIR}/cmake/admFixupBundle.cmake.in" "${CMAKE_BINARY_DIR}/admFixupBundle.cmake" @ONLY)
+CONFIGURE_FILE("${CMAKE_SOURCE_DIR}/cmake/macos-adhoc-sign-app.sh.in" "${CMAKE_BINARY_DIR}/macos-adhoc-sign-app.sh" @ONLY)
 INSTALL(SCRIPT "${CMAKE_BINARY_DIR}/admFixupBundle.cmake" COMPONENT Runtime)
 
 #
diff --git a/avidemux/osxInstaller/cmake/admFixupBundle.cmake.in b/avidemux/osxInstaller/cmake/admFixupBundle.cmake.in
index 5c38b451d..ecfaa7f1c 100644
--- a/avidemux/osxInstaller/cmake/admFixupBundle.cmake.in
+++ b/avidemux/osxInstaller/cmake/admFixupBundle.cmake.in
@@ -63,4 +63,11 @@ FOREACH(frame ${frameworks})
         FILE(REMOVE_RECURSE  "${frame}/Versions/Current")
         FILE(REMOVE_RECURSE  "${frame}/Versions/@ADM_QT_VERSION@/Headers")
         # Create symlinks ?
-ENDFOREACH(frame ${frameworks})
\ No newline at end of file
+ENDFOREACH(frame ${frameworks})
+
+IF(ADM_CPU_ARM64)
+    MESSAGE(STATUS "")
+    MESSAGE(STATUS "Trying to adhoc-sign the app, script: ${CMAKE_BINARY_DIR}/macos-adhoc-sign-app.sh")
+    MESSAGE(STATUS "")
+    EXECUTE_PROCESS(COMMAND bash "${CMAKE_BINARY_DIR}/macos-adhoc-sign-app.sh")
+ENDIF(ADM_CPU_ARM64)
diff --git a/avidemux/osxInstaller/cmake/macos-adhoc-sign-app.sh.in b/avidemux/osxInstaller/cmake/macos-adhoc-sign-app.sh.in
new file mode 100644
index 000000000..0c92e88a0
--- /dev/null
+++ b/avidemux/osxInstaller/cmake/macos-adhoc-sign-app.sh.in
@@ -0,0 +1,101 @@
+#!/bin/bash
+fail()
+{
+    echo "** $1 **"
+    exit 1
+}
+sign()
+{
+    /usr/bin/codesign --force -s - $1 || fail "Error ad-hoc signing $1"
+}
+
+BUNDLE_CONTENT="@BUNDLE@/Contents"
+
+if [ ! -d "${BUNDLE_CONTENT}" ]
+then
+    fail "Error: directory \"${BUNDLE_CONTENT}\" doesn't exist."
+fi
+#
+# Qt frameworks
+#
+for fw in \
+QtCore \
+QtDBus \
+QtGui \
+QtNetwork \
+QtOpenGL \
+QtOpenGLWidgets \
+QtWidgets
+do
+    sign ${BUNDLE_CONTENT}/Frameworks/${fw}.framework/Versions/A/${fw}
+done
+#
+# Qt plugins
+#
+for folder in \
+platforms \
+styles
+do
+    for lib in ${BUNDLE_CONTENT}/PlugIns/${folder}/*.dylib
+    do
+        sign ${lib}
+    done
+done
+#
+# Other frameworks
+#
+for lib in ${BUNDLE_CONTENT}/Frameworks/*.dylib
+do
+    sign ${lib}
+done
+#
+# Avidemux plugins
+#
+PLUGDIR=${BUNDLE_CONTENT}/MacOS/ADM_plugins6
+for folder in \
+audioDecoder \
+audioDevices \
+audioEncoders \
+demuxers \
+muxers \
+scriptEngines \
+videoDecoders \
+videoEncoders \
+videoEncoders/qt6 \
+videoFilters \
+videoFilters/cli \
+videoFilters/qt6
+do
+    for lib in ${PLUGDIR}/${folder}/*.dylib
+    do
+        sign ${lib}
+    done
+done
+#
+# Do JSON encoder presets, tinyPy scripts & Co. need a signature too?
+#
+for textfile in \
+${PLUGDIR}/autoScripts/*.py \
+${PLUGDIR}/autoScripts/lib/*.py \
+${PLUGDIR}/pluginSettings/x264/3/*.json \
+${PLUGDIR}/shaderDemo/1/*.shader
+do
+    sign ${textfile}
+done
+#
+# Executables
+#
+for exe in \
+avidemux_cli \
+avidemux_jobs
+do
+    sign ${BUNDLE_CONTENT}/MacOS/${exe}
+done
+#
+# Re-signing the main Avidemux executable is expected to return an error, the app should work nevertheless.
+#
+/usr/bin/codesign --force -s - ${BUNDLE_CONTENT}/MacOS/Avidemux2.8
+echo "** Bundle format warning, if issued, should be ignored. **"
+echo "** Subsequent warnings from install_name_tool about invalidation of signatures may be ignored either. **"
+echo "** Ad-hoc signing completed. **"
+exit 0
\ No newline at end of file