diff --git a/src/tools/types/exe.jam b/src/tools/types/exe.jam
index af6b33e46..47109513a 100644
--- a/src/tools/types/exe.jam
+++ b/src/tools/types/exe.jam
@@ -6,4 +6,4 @@ import type ;
 
 type.register EXE ;
 type.set-generated-target-suffix EXE : <target-os>windows : "exe" ;
-type.set-generated-target-suffix EXE : <target-os>cygiwn : "exe" ;
+type.set-generated-target-suffix EXE : <target-os>cygwin : "exe" ;