diff --git a/src/common/process.cpp b/src/common/process.cpp
index e57f66688b..05e24ffb20 100644
--- a/src/common/process.cpp
+++ b/src/common/process.cpp
@@ -123,7 +123,7 @@ wxKillError wxProcess::Kill(int pid, wxSignal sig)
 /* static */
 bool wxProcess::Exists(int pid)
 {
-    switch ( wxProcess::Kill(pid, wxSIGNONE) )
+    switch ( Kill(pid, wxSIGNONE) )
     {
         case wxKILL_OK:
         case wxKILL_ACCESS_DENIED:
diff --git a/src/unix/utilsunx.cpp b/src/unix/utilsunx.cpp
index 8d1c888fc7..94ecc08e2d 100644
--- a/src/unix/utilsunx.cpp
+++ b/src/unix/utilsunx.cpp
@@ -155,7 +155,7 @@ int wxKill(long pid, wxSignal sig, wxKillError *rc)
     int err = kill((pid_t)pid, (int)sig);
     if ( rc )
     {
-        switch ( err )
+        switch ( errno )
         {
             case 0:
                 *rc = wxKILL_OK;