diff --git a/src/common/evtloopcmn.cpp b/src/common/evtloopcmn.cpp
index d04d05383f..bc4e88ef0f 100644
--- a/src/common/evtloopcmn.cpp
+++ b/src/common/evtloopcmn.cpp
@@ -32,7 +32,7 @@
 
 // see the comment near the declaration of wxRunningEventLoopCount in
 // src/msw/thread.cpp for the explanation of this hack
-#ifdef __WXMSW__
+#if defined(__WXMSW__) && wxUSE_THREADS
 
 extern WXDLLIMPEXP_DATA_BASE(int) wxRunningEventLoopCount;
 struct wxRunningEventLoopCounter