diff --git a/core/dbt/parser/schemas.py b/core/dbt/parser/schemas.py
index b25b050d614..523002e17a9 100644
--- a/core/dbt/parser/schemas.py
+++ b/core/dbt/parser/schemas.py
@@ -960,10 +960,9 @@ def parse_patch(
         unique_id = f'macro.{patch.package_name}.{patch.name}'
         macro = self.manifest.macros.get(unique_id)
         if not macro:
-            warn_or_error(
-                f'WARNING: Found patch for macro "{patch.name}" '
-                f'which was not found'
-            )
+            msg = f'Found patch for macro "{patch.name}" ' \
+                  f'which was not found'
+            warn_or_error(msg, log_fmt=warning_tag('{}'))
             return
         if macro.patch_path:
             package_name, existing_file_path = macro.patch_path.split('://')
diff --git a/core/dbt/task/runnable.py b/core/dbt/task/runnable.py
index f8d5e7bbcf1..4d93d564e73 100644
--- a/core/dbt/task/runnable.py
+++ b/core/dbt/task/runnable.py
@@ -56,6 +56,7 @@
 import dbt.exceptions
 from dbt import flags
 import dbt.utils
+from dbt.ui import warning_tag
 
 RESULT_FILE_NAME = 'run_results.json'
 MANIFEST_FILE_NAME = 'manifest.json'
@@ -461,8 +462,9 @@ def run(self):
         if len(self._flattened_nodes) == 0:
             with TextOnly():
                 fire_event(EmptyLine())
-            warn_or_error("WARNING: Nothing to do. Try checking your model "
-                          "configs and model specification args")
+            msg = "Nothing to do. Try checking your model " \
+                  "configs and model specification args"
+            warn_or_error(msg, log_fmt=warning_tag('{}'))
             result = self.get_result(
                 results=[],
                 generated_at=datetime.utcnow(),
diff --git a/core/dbt/ui.py b/core/dbt/ui.py
index 39d7e03e4ea..176f05d4283 100644
--- a/core/dbt/ui.py
+++ b/core/dbt/ui.py
@@ -66,6 +66,4 @@ def line_wrap_message(
 
 
 def warning_tag(msg: str) -> str:
-    # no longer needed, since new logging includes colorized log level
-    # return f'[{yellow("WARNING")}]: {msg}'
-    return msg
+    return f'[{yellow("WARNING")}]: {msg}'