src/main.cpp                 |    3 +++
 src/randomDataGenerators.cpp |    3 +++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index a16754e..315ea53 100755
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -25,6 +25,9 @@
 #include <ctime>
 #include <cstdlib>
 
+#include <sys/types.h>
+#include <unistd.h>
+
 /** This function runs the Frobby console interface. the ::main
     function calls this function after having set up DEBUG-specific
     things, catching exceptions, setting the random seed and so on.
diff --git a/src/randomDataGenerators.cpp b/src/randomDataGenerators.cpp
index 432a90a..1de3559 100755
--- a/src/randomDataGenerators.cpp
+++ b/src/randomDataGenerators.cpp
@@ -26,6 +26,9 @@
 #include <limits>
 #include <ctime>
 
+#include <sys/types.h>
+#include <unistd.h>
+
 void generateLinkedListIdeal(BigIdeal& ideal, size_t variableCount) {
   VarNames names(variableCount);
   ideal.clearAndSetNames(variableCount);