diff --git a/configure.ac b/configure.ac
index 4e9790497..16d897e21 100644
--- a/configure.ac
+++ b/configure.ac
@@ -225,7 +225,7 @@ AC_COMPILE_IFELSE(
         [ac_have_iwevgenie=no])
 AC_MSG_RESULT($ac_have_iwevgenie)
 if test "$ac_have_iwevgenie" = no; then
-	AC_MSG_ERROR(wireless-tools library and development headers >= 28pre9 not installed or not functional)
+	AC_MSG_ERROR(wireless-tools or libiw development headers >= 28pre9 not installed or not functional)
 fi
 
 dnl