diff --git a/conda/build.sh b/conda/build.sh
index fab1d216d4..6220bfb6ac 100644
--- a/conda/build.sh
+++ b/conda/build.sh
@@ -14,7 +14,7 @@ elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
 fi
 
 
-export SCHEMA_VERSIONS=2x3;4;4x3;4x3_add1
+export SCHEMA_VERSIONS="2x3;4;4x3;4x3_add1"
 
 cmake -G Ninja \
  -DCMAKE_BUILD_TYPE=Release \