diff --git a/core/dbt/context/base.py b/core/dbt/context/base.py
index ed2d6548d16..8d70a5a057c 100644
--- a/core/dbt/context/base.py
+++ b/core/dbt/context/base.py
@@ -556,6 +556,10 @@ def log(msg: str, info: bool = False) -> str:
               {{ log("Running some_macro: " ~ arg1 ~ ", " ~ arg2) }}
             {% endmacro %}"
         """
+
+        if not isinstance(msg, str):
+            msg = str(msg)
+
         if info:
             fire_event(MacroEventInfo(msg=msg))
         else: