diff --git a/utils/env_gen.py b/utils/env_gen.py
index ed0b6556..6dfee96a 100755
--- a/utils/env_gen.py
+++ b/utils/env_gen.py
@@ -68,9 +68,9 @@ def write_env(name, value, fh):
     str_value = str(value)
     escaped_val = subprocess.list2cmdline([str_value])
     if str_value != escaped_val:
-        fh.write("%s=\"%s\"" % (name, escaped_val))
+        fh.write("export %s=\"%s\"" % (name, escaped_val))
     else:
-        fh.write("%s=%s" % (name, str_value))
+        fh.write("export %s=%s" % (name, str_value))
     fh.write(os.linesep)