diff --git a/pkgs/development/go-modules/generic/default.nix b/pkgs/development/go-modules/generic/default.nix
index fce307e063c..69efdfd54d3 100644
--- a/pkgs/development/go-modules/generic/default.nix
+++ b/pkgs/development/go-modules/generic/default.nix
@@ -51,16 +51,16 @@ go.stdenv.mkDerivation ( args // {
     runHook renameImports
 
     if [ -n "$subPackages" ] ; then
-	for p in $subPackages ; do
+        for p in $subPackages ; do
             go install $buildFlags "''${buildFlagsArray[@]}" -p $NIX_BUILD_CORES -v $goPackagePath/$p
-	done
+        done
     else
-	find . -type d | while read d; do
+        find . -type d | while read d; do
             for i in $d/*.go; do
                 go install $buildFlags "''${buildFlagsArray[@]}" -p $NIX_BUILD_CORES -v $d
                 break
-	    done
-	done
+            done
+        done
     fi
 
     runHook postBuild
@@ -70,16 +70,16 @@ go.stdenv.mkDerivation ( args // {
     runHook preCheck
 
     if [ -n "$subPackages" ] ; then
-	for p in $subPackages ; do
+        for p in $subPackages ; do
             go test -p $NIX_BUILD_CORES -v $goPackagePath/$p
-	done
+        done
     else
-	find . -type d | while read d; do
+        find . -type d | while read d; do
             for i in $d/*_test.go; do
                 go test -p $NIX_BUILD_CORES -v $d
                 break
-	    done
-	done
+            done
+        done
     fi
 
     runHook postCheck