diff --git a/components/newlib/newlib.lf b/components/newlib/newlib.lf
index 19f0992d3a..1e2782ac7d 100644
--- a/components/newlib/newlib.lf
+++ b/components/newlib/newlib.lf
@@ -1,7 +1,8 @@
 [mapping:newlib]
 archive: libnewlib.a
 entries:
-  heap (noflash)
+  if HEAP_PLACE_FUNCTION_INTO_FLASH = n:
+    heap (noflash)
   abort (noflash)
   assert (noflash)
   stdatomic (noflash)