diff --git a/contrib/configure.in b/contrib/configure.in
index 4f65ed0b03..6d823e1b29 100644
--- a/contrib/configure.in
+++ b/contrib/configure.in
@@ -63,11 +63,11 @@ AC_OUTPUT([
             samples/xrc/Makefile
             samples/plot/Makefile
             samples/applet/Makefile
-            samples/fl/fl_demo1
-            samples/fl/fl_demo2
-            samples/fl/fl_sample1
-            samples/fl/fl_sample2
-            samples/fl/fl_sample3
+            samples/fl/fl_demo1/Makefile
+            samples/fl/fl_demo2/Makefile
+            samples/fl/fl_sample1/Makefile
+            samples/fl/fl_sample2/Makefile
+            samples/fl/fl_sample3/Makefile
             utils/Makefile
             utils/wxrc/Makefile
             utils/wxrcedit/Makefile