diff --git a/RTCP/Cobalt/InputProc/src/Station/generate.cc b/RTCP/Cobalt/InputProc/src/Station/generate.cc
index f72a0d9ea87340afa929cfdd616c6d07cc9ea525..b72ac1aa66f32cbb69cfe8cb949e878f8c0f2fb4 100644
--- a/RTCP/Cobalt/InputProc/src/Station/generate.cc
+++ b/RTCP/Cobalt/InputProc/src/Station/generate.cc
@@ -23,6 +23,7 @@
 #include <string>
 #include <vector>
 #include <omp.h>
+#include <unistd.h>
 
 #include <Common/LofarLogger.h>
 #include <Stream/StreamFactory.h>