diff --git a/CLIENT_DATA/delsub3264.ins b/CLIENT_DATA/delsub3264.ins
index d4ac5c9..78918aa 100644
--- a/CLIENT_DATA/delsub3264.ins
+++ b/CLIENT_DATA/delsub3264.ins
@@ -94,7 +94,7 @@ if ($INST_SystemType$ = "64 Bit System") and (($INST_architecture$ = "system spe
                         sub_check_exitcode
                 endif
         endif
-	if not (GetRegistryStringValue64("[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\" + $MsiId64HelpDe$ + "] DisplayName") = "")
+	if not (GetRegistryStringValue64("[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\" + $MsiIdHelpDe64$ + "] DisplayName") = "")
 		comment "MSI id " + $MsiIdHelpDe64$ + " found in registry, starting msiexec to uninstall"
 		Winbatch_uninstall_msi_help_de_64
 		sub_check_exitcode