diff --git a/templates/nsis/include/extractAppPackage.nsh b/templates/nsis/include/extractAppPackage.nsh
--- a/templates/nsis/include/extractAppPackage.nsh
+++ b/templates/nsis/include/extractAppPackage.nsh
@@ -96,3 +96,9 @@
   SetOutPath "$PLUGINSDIR\7z-out"
+  !ifmacrodef customInstallerExtractStart
+    !insertmacro customInstallerExtractStart
+  !endif
   Nsis7z::Extract "${FILE}"
+  !ifmacrodef customInstallerCopyStart
+    !insertmacro customInstallerCopyStart
+  !endif
   Pop $R0
@@ -137,2 +143,5 @@
   DoneExtract7za:
+  !ifmacrodef customInstallerFilesReady
+    !insertmacro customInstallerFilesReady
+  !endif
 !macroend