diff --git a/configure b/configure
index 7a711a2af7..b39b6d3198 100755
--- a/configure
+++ b/configure
@@ -3842,6 +3842,7 @@ elif enabled x86; then
     case $cpu in
         i[345]86|pentium)
             cpuflags="-march=$cpu"
+            disable i686
             disable mmx
         ;;
         # targets that do NOT support nopl and conditional mov (cmov)