diff --git a/components/datadict/reglazdatadict.pp b/components/datadict/reglazdatadict.pp
index 1fb08ad129..52c79cdaeb 100644
--- a/components/datadict/reglazdatadict.pp
+++ b/components/datadict/reglazdatadict.pp
@@ -2,6 +2,10 @@ unit reglazdatadict;
 
 {$mode objfpc}{$H+}
 
+{$IF defined(VER2_2) or (VER2_1) or (VER2_0)}
+{$ERROR this package requires at least fpc 2.3.1}
+{$ENDIF}
+
 interface
 
 uses
diff --git a/examples/openglcontrol/openglcontrol_demo.lpi b/examples/openglcontrol/openglcontrol_demo.lpi
index f7670800e4..50427171a5 100644
--- a/examples/openglcontrol/openglcontrol_demo.lpi
+++ b/examples/openglcontrol/openglcontrol_demo.lpi
@@ -25,10 +25,10 @@
     </RunParams>
     <RequiredPackages Count="2">
       <Item1>
-        <PackageName Value="LazOpenGLContext"/>
+        <PackageName Value="LCL"/>
       </Item1>
       <Item2>
-        <PackageName Value="LCL"/>
+        <PackageName Value="LazOpenGLContext"/>
       </Item2>
     </RequiredPackages>
     <Units Count="2">