diff --git a/pkgs/applications/science/biology/ecopcr/default.nix b/pkgs/applications/science/biology/ecopcr/default.nix
index b3029f586add..019370378605 100644
--- a/pkgs/applications/science/biology/ecopcr/default.nix
+++ b/pkgs/applications/science/biology/ecopcr/default.nix
@@ -13,12 +13,12 @@ stdenv.mkDerivation rec {
   buildInputs = [ gcc python27 zlib ];
 
   installPhase = ''
-	mkdir -p $out/bin
-	cp -v ecoPCR $out/bin
-	cp -v ecogrep $out/bin
-	cp -v ecofind $out/bin
-	cp -v ../tools/ecoPCRFormat.py $out/bin/ecoPCRFormat
-	chmod a+x $out/bin/ecoPCRFormat
+    mkdir -p $out/bin
+    cp -v ecoPCR $out/bin
+    cp -v ecogrep $out/bin
+    cp -v ecofind $out/bin
+    cp -v ../tools/ecoPCRFormat.py $out/bin/ecoPCRFormat
+    chmod a+x $out/bin/ecoPCRFormat
   '';
 
   meta = with lib; {