diff --git a/toolchain.py b/toolchain.py
index dc311bb..a1aa0db 100755
--- a/toolchain.py
+++ b/toolchain.py
@@ -272,7 +272,7 @@ class Context(object):
 
         # get the latest iphonesimulator version
         iphonesim = [x for x in sdks if "iphonesimulator" in x]
-        if not iphoneos:
+        if not iphonesim:
             ok = False
             print("Error: No iphonesimulator SDK installed")
         else: