diff --git a/configure b/configure.new
index 8f591b554c..849e0ef355 100755
--- a/configure
+++ b/configure.new
@@ -2563,7 +2563,7 @@ EOF
 				tiff_offset_t="uint32"
 				tiff_bytecount_t="uint32"
 				;;
-		4.[0])		tiff_runlen_t="uint32"
+		4.[01])		tiff_runlen_t="uint32"
 				tiff_offset_t="uint64"
 				tiff_bytecount_t="uint64"
 				echo '#define TIFFHeader	TIFFHeaderClassic'