diff --git a/conda.recipe/meta.yaml b/conda.recipe/meta.yaml
index 7e8515d03f81ccbf1d6f18bd1ae1a3561a2abc54..1764a245cef90f06534acceaea8b8c56712b4097 100644
--- a/conda.recipe/meta.yaml
+++ b/conda.recipe/meta.yaml
@@ -32,7 +32,7 @@ outputs:
 
       run:
         - mosquitto
-        - {{ pin_compatible(libprotobuf) }}
+        - {{ pin_compatible('libprotobuf') }}
         - libboost
   - name: ipaaca-py
     noarch: python