diff --git a/pkgs/applications/misc/k2pdfopt/default.nix b/pkgs/applications/misc/k2pdfopt/default.nix
index 6c5371a6299..9c592fcbb2d 100644
--- a/pkgs/applications/misc/k2pdfopt/default.nix
+++ b/pkgs/applications/misc/k2pdfopt/default.nix
@@ -96,7 +96,7 @@ in stdenv.mkDerivation rec {
             -ljbig2dec -ljpeg -lopenjp2 -lpng -lfreetype -lpthread -lmujs \
             -lPgm2asc -llept -ltesseract -lcrypto
 
-    mkdir -p $out/bin
+    mkdir -p $out/bin 
     cp k2pdfopt $out/bin
   '';