diff --git a/config.lib b/config.lib
--- a/config.lib
+++ b/config.lib
@@ -2940,7 +2940,7 @@ detect_icu() {
 		# It was forced, so it should be found.
 		if [ "$with_icu" != "1" ]; then
 			log 1 "configure: error: icu-config couldn't be found"
-			log 1 "configure: error: you supplied '$with_icuconfig', but it seems invalid"
+			log 1 "configure: error: you supplied '$with_icu', but it seems invalid"
 			exit 1
 		fi