diff --git a/configure b/configure
index 5bb7749e36..29d45b51c3 100755
--- a/configure
+++ b/configure
@@ -1306,7 +1306,7 @@ libdir="${prefix}/lib"
 fi
 
 if test x"$incdir" = x""; then
-libdir="${prefix}/include/ffmpeg"
+incdir="${prefix}/include/ffmpeg"
 fi
 
 if test x"$mandir" = x""; then