Index: libcfa/src/concurrency/kernel/startup.cfa
===================================================================
--- libcfa/src/concurrency/kernel/startup.cfa	(revision 1757f98358ab8f6f5bcdc337f12866d454f976a3)
+++ libcfa/src/concurrency/kernel/startup.cfa	(revision 04a8a54b0c095e4e33ca62e71f092019bc31f6d6)
@@ -403,5 +403,5 @@
 
 	__cfaabi_tls.this_thread->curr_cor = dst;
-	__stack_prepare( &dst->stack, 65000 );
+	__stack_prepare( &dst->stack, DEFAULT_STACK_SIZE );
 	__cfactx_start(main, dst, this->runner, __cfactx_invoke_coroutine);
 
@@ -721,8 +721,5 @@
 	check( pthread_attr_init( &attr ), "pthread_attr_init" ); // initialize attribute
 
-	size_t stacksize;
-	// default stack size, normally defined by shell limit
-	check( pthread_attr_getstacksize( &attr, &stacksize ), "pthread_attr_getstacksize" );
-	assert( stacksize >= PTHREAD_STACK_MIN );
+	size_t stacksize = DEFAULT_STACK_SIZE;
 
 	void * stack;
@@ -749,7 +746,5 @@
 	#endif
 
-
 	check( pthread_attr_setstack( &attr, stack, stacksize ), "pthread_attr_setstack" );
-
 	check( pthread_create( pthread, &attr, start, arg ), "pthread_create" );
 	return stack;