diff --git a/src/arachne.c b/src/arachne.c
index 3e98c40..ae4eccb 100644
--- a/src/arachne.c
+++ b/src/arachne.c
@@ -59,6 +59,7 @@
 #include "depend.h"
 #include "xmlout.h"
 #include "heuristic.h"
+#include "tempfile.h"
 
 extern int *graph;
 extern int nodes;
diff --git a/src/claim.c b/src/claim.c
index 4f3db46..7a29abe 100644
--- a/src/claim.c
+++ b/src/claim.c
@@ -40,6 +40,7 @@
 #include "cost.h"
 #include "timer.h"
 #include "compiler.h"
+#include "depend.h"
 
 //! When none of the runs match
 #define MATCH_NONE 0
diff --git a/src/compiler.c b/src/compiler.c
index 9618686..a4e71ef 100644
--- a/src/compiler.c
+++ b/src/compiler.c
@@ -37,6 +37,7 @@
 #include "intruderknowledge.h"
 #include "error.h"
 #include "mgu.h"
+#include "type.h"
 
 /*
    Simple sys pointer as a global. Yields cleaner code although it's against programming standards.