1 files changed, 1 insertions, 1 deletions
diff --git a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java
index 0229acb6..ee8c2741 100644
--- a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java
+++ b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java
@@ -126,7 +126,7 @@ public class PdfAs4SignatureParameter {
                 Image placeholder = pdfas.generateVisibleSignaturePreview(param, cert, 72 * 4);
 
                 // WORKAROUND for #110, manually paint a black border
-                if (!this.signatureProfile.equals(Profile.BASE_LOGO))
+                if ((placeholder != null) && !this.signatureProfile.equals(Profile.BASE_LOGO))
                 {
                     Graphics2D ctx = (Graphics2D)placeholder.getGraphics();
                     ctx.setColor(Color.BLACK);