diff --git a/Examples/rtest.nsi b/Examples/rtest.nsi
index 74bfe197..9f6be9a8 100644
--- a/Examples/rtest.nsi
+++ b/Examples/rtest.nsi
@@ -14,16 +14,18 @@ ShowInstDetails show
 
 Section "Test 1"
 
-  StrCpy $0 "a"
-  Call test1
+  StrCpy $R0 "a"
   
-  StrCmp $0 "a182345678" success
+  GetFunctionAddress $R1 test1
+  Call $R1
   
-  DetailPrint "Test 1 failed (output: $0)"
+  StrCmp $R0 "a182345678" success
+  
+  DetailPrint "Test 1 failed (output: $R0)"
   Goto end
   
   success:
-  DetailPrint "Test 1 succeded (output: $0)"
+  DetailPrint "Test 1 succeded (output: $R0)"
   
   end:
   
@@ -34,17 +36,17 @@ Function test1
   GetLabelAddress $9 skip
   
   IntOp $9 $9 - 1
-  StrCpy $0 $01
+  StrCpy $R0 $R01
   
   Call $9
   
-  StrCpy $0 $02
-  StrCpy $0 $03
-  StrCpy $0 $04
-  StrCpy $0 $05
-  StrCpy $0 $06
-  StrCpy $0 $07
-  StrCpy $0 $08
+  StrCpy $R0 $R02
+  StrCpy $R0 $R03
+  StrCpy $R0 $R04
+  StrCpy $R0 $R05
+  StrCpy $R0 $R06
+  StrCpy $R0 $R07
+  StrCpy $R0 $R08
   
   skip:
   
@@ -54,18 +56,18 @@ FunctionEnd
 
 Section "Test 2"
 
-  StrCpy $0 "0"
-  StrCpy $1 "11"
+  StrCpy $R0 "0"
+  StrCpy $R1 "11"
   
   Call test2
   
-  StrCmp $1 "11,10,9,8,7,6,5,4,3,2,1" success
+  StrCmp $R1 "11,10,9,8,7,6,5,4,3,2,1" success
   
-  DetailPrint "Test 2 failed (output: $1)"
+  DetailPrint "Test 2 failed (output: $R1)"
   Goto end
   
   success:
-  DetailPrint "Test 2 succeded (output: $1)"
+  DetailPrint "Test 2 succeded (output: $R1)"
   
   end:
 
@@ -73,16 +75,17 @@ SectionEnd
 
 Function test2
 
-  IntOp $0 $0 + 1
-  IntCmp $0 10 done
+  IntOp $R0 $R0 + 1
+  IntCmp $R0 10 done
   
-  Push $0
+  Push $R0
   
-  Call test2
+  GetFunctionAddress $R2 test2
+  Call $R2
   
-  Pop $0
+  Pop $R0
   
   done:
-  StrCpy $1 "$1,$0"
+  StrCpy $R1 "$R1,$R0"
   
 FunctionEnd
\ No newline at end of file