diff --git a/CMakeLists.txt b/CMakeLists.txt
index 423f22a2..56f0b71a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,6 +44,7 @@ function(vpkedit_configure_target TARGET)
         endif()
     elseif(APPLE)
         option(VPKEDIT_MAC_BUNDLE_QT "Bundle Qt into the application bundle for macOS" ON)
+        option(VPKEDIT_MAC_BUNDLE_ADHOC_SIGN "Ad-hoc sign the macOS application bundle" ON)
         list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/macOS")
         include(MakeICNS)
         set(MACOS_ICON "${CMAKE_CURRENT_BINARY_DIR}/logo.icns")
diff --git a/cmake/macos/SignBundle.cmake b/cmake/macos/SignBundle.cmake
new file mode 100644
index 00000000..b571e56a
--- /dev/null
+++ b/cmake/macos/SignBundle.cmake
@@ -0,0 +1 @@
+execute_process(COMMAND codesign --deep -fs - ${CPACK_TEMPORARY_INSTALL_DIRECTORY}/vpkedit.app)
diff --git a/install/_install.cmake b/install/_install.cmake
index 01fe5a0b..8e643ef9 100644
--- a/install/_install.cmake
+++ b/install/_install.cmake
@@ -64,7 +64,7 @@ elseif(APPLE)
             DESTINATION .)
 
     install(TARGETS ${PROJECT_NAME}_dmx_preview ${PROJECT_NAME}_mdl_preview
-            DESTINATION "${PROJECT_NAME_PRETTY}.app/Contents/PlugIns/previews")
+            DESTINATION "${PROJECT_NAME}.app/Contents/PlugIns/previews")
 
     # Deploy Qt into the bundle
     if(VPKEDIT_MAC_BUNDLE_QT)
@@ -73,6 +73,10 @@ elseif(APPLE)
                 OUTPUT_SCRIPT qt_deploy_script)
         install(SCRIPT ${qt_deploy_script})
     endif()
+
+    if(VPKEDIT_MAC_BUNDLE_ADHOC_SIGN)
+        set(CPACK_PRE_BUILD_SCRIPTS "${CMAKE_CURRENT_SOURCE_DIR}/cmake/macos/SignBundle.cmake")
+    endif()
 elseif(UNIX)
     install(TARGETS ${PROJECT_NAME}cli
             DESTINATION "${CMAKE_INSTALL_BINDIR}")