diff --git a/ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/builders/JarManifestErrorReporter.java b/ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/builders/JarManifestErrorReporter.java
index 988520c2c8..ba79ba230d 100644
--- a/ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/builders/JarManifestErrorReporter.java
+++ b/ui/org.eclipse.pde.core/src/org/eclipse/pde/internal/core/builders/JarManifestErrorReporter.java
@@ -219,7 +219,7 @@ protected void parseManifest(IDocument document, IProgressMonitor monitor) {
 				}
 				str.deleteCharAt(str.length() - 1);
 				VirtualMarker marker = report(PDECoreMessages.BundleErrorReporter_noNameHeader, start + 1,
-						CompilerFlags.WARNING, PDEMarkerFactory.M_EXTRANEOUS_EMPTY_LINES, PDEMarkerFactory.CAT_OTHER);
+						CompilerFlags.ERROR, PDEMarkerFactory.M_EXTRANEOUS_EMPTY_LINES, PDEMarkerFactory.CAT_FATAL);
 				if (marker != null) {
 					marker.setAttribute("emptyLine", str.toString()); //$NON-NLS-1$
 				}