diff --git a/compiler/cepiktimer.pas b/compiler/cepiktimer.pas
index d05ad98566..3a7e2340c1 100644
--- a/compiler/cepiktimer.pas
+++ b/compiler/cepiktimer.pas
@@ -25,6 +25,9 @@
 {$define epiktimer:=cepiktimer}
 { do not depend on the classes unit }
 {$DEFINE NOCLASSES}
+
+{$i fpcdefs.inc}
+
 { include the original file }
 {$i ../../epiktimer/epiktimer.pas}
 
diff --git a/compiler/z80/cpuinfo.pas b/compiler/z80/cpuinfo.pas
index e431839321..0b211364d6 100644
--- a/compiler/z80/cpuinfo.pas
+++ b/compiler/z80/cpuinfo.pas
@@ -14,6 +14,8 @@
 
 Unit CPUInfo;
 
+{$i fpcdefs.inc}
+
 Interface
 
   uses