diff --git a/pkgs/tools/backup/iceshelf/default.nix b/pkgs/tools/backup/iceshelf/default.nix
index 546339ca002a..eb5e883bdacf 100644
--- a/pkgs/tools/backup/iceshelf/default.nix
+++ b/pkgs/tools/backup/iceshelf/default.nix
@@ -6,11 +6,11 @@ python3.pkgs.buildPythonApplication rec {
 
   format = "other";
 
-	src = fetchFromGitHub {
-		owner = "mrworf";
-		repo = pname;
-		rev = "26768dde3fc54fa412e523eb8f8552e866b4853b";
-		sha256 = "08rcbd14vn7312rmk2hyvdzvhibri31c4r5lzdrwb1n1y9q761qm";
+  src = fetchFromGitHub {
+    owner = "mrworf";
+    repo = pname;
+    rev = "26768dde3fc54fa412e523eb8f8552e866b4853b";
+    sha256 = "08rcbd14vn7312rmk2hyvdzvhibri31c4r5lzdrwb1n1y9q761qm";
   };
 
   propagatedBuildInputs = [
@@ -19,12 +19,12 @@ python3.pkgs.buildPythonApplication rec {
     python3.pkgs.python-gnupg
   ];
 
-	installPhase = ''
-		mkdir -p $out/bin $out/share/doc/${pname} $out/${python3.sitePackages}
+  installPhase = ''
+    mkdir -p $out/bin $out/share/doc/${pname} $out/${python3.sitePackages}
     cp -v iceshelf iceshelf-restore $out/bin
     cp -v iceshelf.sample.conf $out/share/doc/${pname}/
     cp -rv modules $out/${python3.sitePackages}
-	'';
+  '';
 
   meta = with lib; {
     description = "A simple tool to allow storage of signed, encrypted, incremental backups using Amazon's Glacier storage";