diff --git a/build/toolchain/gcc_toolchain.gni b/build/toolchain/gcc_toolchain.gni
index a87b58ba70..e73b1f89d5 100644
--- a/build/toolchain/gcc_toolchain.gni
+++ b/build/toolchain/gcc_toolchain.gni
@@ -12,6 +12,13 @@ analyzer_wrapper =
     rebase_path("//build/toolchain/clang_static_analyzer_wrapper.py",
                 root_build_dir) + " --mode=clang"
 
+# Flag passed to sed to edit files in place
+if (host_os == "mac") {
+  sed_in_place_flag = "-i ''"
+} else {
+  sed_in_place_flag = "-i"
+}
+
 # This template defines a toolchain for something that works like gcc
 # (including clang).
 #
@@ -122,12 +129,6 @@ template("gcc_toolchain") {
       coverage_flags = "-fprofile-instr-generate -fcoverage-mapping"
     }
 
-    if (host_os == "mac") {
-      sed_in_place_flag = "-i ''"
-    } else {
-      sed_in_place_flag = "-i"
-    }
-
     tool("cc") {
       depfile = "{{output}}.d"
       command = "$cc -MD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} $coverage_flags -c {{source}} -o {{output}}"