diff --git a/jhove-modules/pdf-hul/src/main/java/edu/harvard/hul/ois/jhove/module/PdfModule.java b/jhove-modules/pdf-hul/src/main/java/edu/harvard/hul/ois/jhove/module/PdfModule.java
index 00cf5dbc9..a79c2503b 100644
--- a/jhove-modules/pdf-hul/src/main/java/edu/harvard/hul/ois/jhove/module/PdfModule.java
+++ b/jhove-modules/pdf-hul/src/main/java/edu/harvard/hul/ois/jhove/module/PdfModule.java
@@ -1049,7 +1049,7 @@ protected boolean parseHeader(RepInfo info) throws IOException {
 			header = PdfHeader.parseHeader(_parser);
 		} catch (PdfMalformedException e) {
 			info.setWellFormed(false);
-			info.setMessage(new ErrorMessage(MessageConstants.PDF_HUL_154, 0L)); // PDF-HUL-154
+			info.setMessage(new ErrorMessage(MessageConstants.PDF_HUL_155, 0L)); // PDF-HUL-155
 			return false;
 		}
 		if (header == null) {