--- a/streamlet-examples/exiv2	Tue Jan 28 23:35:25 2020 +0100
+++ b/streamlet-examples/exiv2	Wed Jan 29 00:58:37 2020 +0100
@@ -68,7 +68,7 @@
 		else                                                                               isNull="false";
 		fi
 
-		if ( [[ "x${streamletFields[$i]}" == "xImage height" ]] || [[ "x${streamletFields[$i]}" == "xImage width" ]] ) && [[ ! "$value" =~ ^[0-9]+$ ]]; then value="0"; isNull="true"; fi
+		if ( [[ "x${streamletFields[$i]}" == "xImage height" ]] || [[ "x${streamletFields[$i]}" == "xImage width" ]] ) && [[ ! "$value" =~ ^[0-9]+$ ]]; then isNull="true"; fi
 
 		send OUTPUT_ATTRIBUTE "$value"    "$isNull";
 	done