diff --git a/src/engine/QueryCore.c b/src/engine/QueryCore.c
index 4b71121896..0bc1c57db0 100644
--- a/src/engine/QueryCore.c
+++ b/src/engine/QueryCore.c
@@ -6,6 +6,8 @@
 
 #include "config.h"
 
+#include <sys/types.h>
+#include <time.h>
 #include <glib.h>
 #include <regex.h>
 #include <string.h>
diff --git a/src/engine/QueryNew.c b/src/engine/QueryNew.c
index 7bf490e4a5..57a05f999d 100644
--- a/src/engine/QueryNew.c
+++ b/src/engine/QueryNew.c
@@ -6,6 +6,8 @@
 
 #include "config.h"
 
+#include <sys/types.h>
+#include <time.h>
 #include <glib.h>
 #include <regex.h>
 #include <string.h>
diff --git a/src/engine/QueryObject.c b/src/engine/QueryObject.c
index 1325c17b2f..1ca2ab3a4f 100644
--- a/src/engine/QueryObject.c
+++ b/src/engine/QueryObject.c
@@ -6,6 +6,8 @@
 
 #include "config.h"
 
+#include <sys/types.h>
+#include <time.h>
 #include <glib.h>
 #include <regex.h>
 #include <string.h>