diff --git a/svc/routes/pdf_assets.go b/svc/routes/pdf_assets.go
index 0242669..34f675d 100644
--- a/svc/routes/pdf_assets.go
+++ b/svc/routes/pdf_assets.go
@@ -9,21 +9,21 @@ import (
 	"github.com/jung-kurt/gofpdf"
 )
 
-func resolvePdfAssetPath(name string) (string, error) {
-
-	base := strings.TrimSpace(os.Getenv("PDF_FONT_DIR"))
-
-	if base == "" {
-		base = "/opt/bssapp/svc/fonts"
+func resolvePdfAssetPath(envKey string) (string, error) {
+	path := os.Getenv(envKey)
+	if path == "" {
+		return "", fmt.Errorf("env %s not set", envKey)
 	}
 
-	p := filepath.Join(base, name)
-
-	if _, err := os.Stat(p); err != nil {
-		return "", fmt.Errorf("font not found: %s", p)
+	if !filepath.IsAbs(path) {
+		return "", fmt.Errorf("font path must be absolute: %s", path)
 	}
 
-	return p, nil
+	if _, err := os.Stat(path); err != nil {
+		return "", err
+	}
+
+	return path, nil
 }
 
 func resolvePdfImagePath(fileName string) (string, error) {