diff --git a/configure b/configure
index 5bb7749e3627b9df4876b14db30ca86203f976fa..29d45b51c3ff952ffd1a722127ef48d72d619ff9 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