diff --git a/CMakeLists.txt b/CMakeLists.txt
index 14d8ee349..00919c415 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -101,6 +101,7 @@ CHECK_INCLUDE_FILES(fcntl.h LMMS_HAVE_FCNTL_H)
 CHECK_INCLUDE_FILES(sys/ioctl.h LMMS_HAVE_SYS_IOCTL_H)
 CHECK_INCLUDE_FILES(ctype.h LMMS_HAVE_CTYPE_H)
 CHECK_INCLUDE_FILES(string.h LMMS_HAVE_STRING_H)
+CHECK_INCLUDE_FILES(process.h LMMS_HAVE_PROCESS_H)
 
 
 # check for Qt4
diff --git a/lmmsconfig.h.in b/lmmsconfig.h.in
index dff06e747..4cd1243ee 100644
--- a/lmmsconfig.h.in
+++ b/lmmsconfig.h.in
@@ -29,6 +29,7 @@
 #cmakedefine LMMS_HAVE_SYS_IOCTL_H
 #cmakedefine LMMS_HAVE_CTYPE_H
 #cmakedefine LMMS_HAVE_STRING_H
+#cmakedefine LMMS_HAVE_PROCESS_H
 
 /* defines for libsamplerate */
 
diff --git a/plugins/ladspa_effect/caps/Click.cc b/plugins/ladspa_effect/caps/Click.cc
index 764410f4e..4428e1684 100644
--- a/plugins/ladspa_effect/caps/Click.cc
+++ b/plugins/ladspa_effect/caps/Click.cc
@@ -27,7 +27,7 @@
 
 #include "basics.h"
 
-#include "waves/click.h"
+#include "waves/waves_click.h"
 #include "waves/money.h"
 
 #include "Click.h"