diff --git a/src/base/SConscript b/src/base/SConscript
index cc9d06a0e..ca68bfb60 100644
--- a/src/base/SConscript
+++ b/src/base/SConscript
@@ -57,7 +57,8 @@ Source('circlebuf.cc')
 Source('cprintf.cc')
 Source('crc.cc')
 Source('fast_alloc.cc')
-Source('fenv.c')
+if env['USE_FENV']:
+    Source('fenv.c')
 Source('fifo_buffer.cc')
 Source('hostinfo.cc')
 Source('hybrid_pred.cc')