diff --git a/config/mh-darwin b/config/mh-darwin
index 6a2f15f8efa..19bf26568b5 100644
--- a/config/mh-darwin
+++ b/config/mh-darwin
@@ -4,4 +4,4 @@
 BOOT_CFLAGS += -mdynamic-no-pic
 
 # Ensure we don't try and use -pie, as it is incompatible with pch.
-BOOT_LDFLAGS=`case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`
+BOOT_LDFLAGS += `case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`