diff --git a/src/unix/threadpsx.cpp b/src/unix/threadpsx.cpp
index 4583b6b868..95d8586f91 100644
--- a/src/unix/threadpsx.cpp
+++ b/src/unix/threadpsx.cpp
@@ -1476,6 +1476,11 @@ wxThreadError wxThread::Delete(ExitCode *rc)
             }
             //else: can't wait for detached threads
     }
+    
+    if (state == STATE_NEW)
+        return wxTHREAD_MISC_ERROR;
+            // for coherency with the MSW implementation, signal the user that 
+            // Delete() was called on a thread which didn't start to run yet.
 
     return wxTHREAD_NO_ERROR;
 }