diff --git a/main.go b/main.go
index 81a7df7..3f874d9 100644
--- a/main.go
+++ b/main.go
@@ -391,6 +391,8 @@ func cmdExtract(args []string) {
 		toolPath = findScript("extract_wavs.sh")
 	}
 
+	os.MkdirAll(*outDir, 0755)
+
 	entries, err := os.ReadDir(*isoDir)
 	if err != nil {
 		fatal("read dir: %v", err)
diff --git a/serve.go b/serve.go
index 21c88ad..5d0aced 100644
--- a/serve.go
+++ b/serve.go
@@ -287,6 +287,8 @@ func handleAPIExtract(w http.ResponseWriter, r *http.Request) {
 		outDir = "./wavs"
 	}
 
+	os.MkdirAll(outDir, 0755)
+
 	toolPath := findScript("extract_wavs.sh")
 
 	entries, err := os.ReadDir(isoDir)