diff --git a/src/libCom/osi/os/RTEMS/osdPoolStatus.c b/src/libCom/osi/os/RTEMS/osdPoolStatus.c
index 0f1d4e5b0..71933912d 100644
--- a/src/libCom/osi/os/RTEMS/osdPoolStatus.c
+++ b/src/libCom/osi/os/RTEMS/osdPoolStatus.c
@@ -17,5 +17,5 @@
  */
 epicsShareFunc int epicsShareAPI osiSufficentSpaceInPool ( size_t contiguousBlockSize )
 {
-    return (malloc_free_space() > 100000 + contiguousBlockSize);
+    return (malloc_free_space() > 50000 + contiguousBlockSize);
 }