diff --git a/executorlib/__init__.py b/executorlib/__init__.py
index bab1ffc5..ea57d8a6 100644
--- a/executorlib/__init__.py
+++ b/executorlib/__init__.py
@@ -93,7 +93,7 @@ def __init__(
         flux_executor_nesting: bool = False,
         pysqa_config_directory: Optional[str] = None,
         hostname_localhost: Optional[bool] = None,
-        block_allocation: bool = True,
+        block_allocation: bool = False,
         init_function: Optional[callable] = None,
         disable_dependencies: bool = False,
         refresh_rate: float = 0.01,
@@ -114,7 +114,7 @@ def __new__(
         flux_executor_nesting: bool = False,
         pysqa_config_directory: Optional[str] = None,
         hostname_localhost: Optional[bool] = None,
-        block_allocation: bool = True,
+        block_allocation: bool = False,
         init_function: Optional[callable] = None,
         disable_dependencies: bool = False,
         refresh_rate: float = 0.01,