diff --git a/aclocal.m4 b/aclocal.m4
index c65ebc48463..9364188e334 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -346,7 +346,7 @@ wine_fn_config_dll ()
 
     AS_VAR_IF([enable_tools],[no],,[ac_deps="tools/widl tools/winebuild tools/winegcc $ac_deps"])
     case $ac_name in
-      *16) ac_implibflags=" -m16" ;;
+      *.*16) ac_implibflags=" -m16" ;;
       *.*) ;;
       *)   ac_dll=$ac_dll.dll ;;
     esac
diff --git a/configure b/configure
index 54329a69905..f0081fbdc79 100755
--- a/configure
+++ b/configure
@@ -7722,7 +7722,7 @@ else
   ac_deps="tools/widl tools/winebuild tools/winegcc $ac_deps"
 fi
     case $ac_name in
-      *16) ac_implibflags=" -m16" ;;
+      *.*16) ac_implibflags=" -m16" ;;
       *.*) ;;
       *)   ac_dll=$ac_dll.dll ;;
     esac