diff --git a/common/wscript b/common/wscript
index 545dd3c8..c935433f 100644
--- a/common/wscript
+++ b/common/wscript
@@ -206,7 +206,7 @@ def build(bld):
             'JackLibSampleRateResampler.cpp',
             'JackResampler.cpp',
             'JackGlobals.cpp',
-            'JackPosixMutex.cpp',
+            '../posix/JackPosixMutex.cpp',
             'ringbuffer.c']
 
         if bld.env['IS_LINUX']: