diff --git a/checkin_notes b/checkin_notes
index 0661050945..469948be83 100644
--- a/checkin_notes
+++ b/checkin_notes
@@ -3175,3 +3175,9 @@ Rom    April 10 2008
     
     win_build/installerv2/
         BOINC.ism
+
+Rom    April 10 2008
+    - LIB: Fix build break on Linux compat VM.
+    
+    lib/
+        util.C
diff --git a/lib/util.C b/lib/util.C
index 1d209f9939..730dbfa916 100644
--- a/lib/util.C
+++ b/lib/util.C
@@ -30,6 +30,9 @@
 
 #ifndef _WIN32
 #include "config.h"
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/wait.h>