diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 54edcbaf68..c7da36e8f7 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1492,7 +1492,7 @@ public:
       .Case("caicos",   GK_NORTHERN_ISLANDS)
       .Case("cayman",   GK_CAYMAN)
       .Case("aruba",    GK_CAYMAN)
-      .Case("SI",       GK_SOUTHERN_ISLANDS)
+      .Case("tahiti",   GK_SOUTHERN_ISLANDS)
       .Case("pitcairn", GK_SOUTHERN_ISLANDS)
       .Case("verde",    GK_SOUTHERN_ISLANDS)
       .Case("oland",    GK_SOUTHERN_ISLANDS)