diff --git a/openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/style/derived/LengthValue.java b/openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/style/derived/LengthValue.java
index 5e2e0089f..29c387d3a 100644
--- a/openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/style/derived/LengthValue.java
+++ b/openhtmltopdf-core/src/main/java/com/openhtmltopdf/css/style/derived/LengthValue.java
@@ -176,7 +176,7 @@ public static float calcFloatProportionalValue(CalculatedStyle style,
                 break;
             default:
                 // nothing to do, we only convert those listed above
-                XRLog.cascade(Level.SEVERE,
+                XRLog.cascade(Level.WARNING,
                         "Asked to convert " + cssName + " from relative to absolute, " +
                         " don't recognize the datatype " +
                         "'" + ValueConstants.stringForSACPrimitiveType(primitiveType) + "' "