diff --git a/src/compile/external.ts b/src/compile/external.ts
index bac9d6243..3cc3aee64 100644
--- a/src/compile/external.ts
+++ b/src/compile/external.ts
@@ -44,6 +44,7 @@ export async function build(command: string, args: string[], pwd: string, buildL
     // Add the build tool to the queue for execution
     queue.add(tool, rootFile, 'External', Date.now(), true, cwd)
 
+    lw.compile.compiledPDFPath = rootFile ? lw.file.getPdfPath(rootFile) : ''
     // Execute the build loop
     await buildLoop()
 }
diff --git a/src/compile/recipe.ts b/src/compile/recipe.ts
index fb3d546bf..ab8522090 100644
--- a/src/compile/recipe.ts
+++ b/src/compile/recipe.ts
@@ -53,6 +53,7 @@ export async function build(rootFile: string, langId: string, buildLoop: () => P
     const timestamp = Date.now()
     tools.forEach(tool => queue.add(tool, rootFile, recipeName || 'Build', timestamp))
 
+    lw.compile.compiledPDFPath = lw.file.getPdfPath(rootFile)
     // Execute the build loop
     await buildLoop()
 }