Index: branches/5.1.x/core/install/step_templates/choose_modules.tpl
===================================================================
diff -u -N -r12657 -r13189
--- branches/5.1.x/core/install/step_templates/choose_modules.tpl	(.../choose_modules.tpl)	(revision 12657)
+++ branches/5.1.x/core/install/step_templates/choose_modules.tpl	(.../choose_modules.tpl)	(revision 13189)
@@ -33,8 +33,8 @@
 
 	$modules = $this->ScanModules();
 	foreach ($modules as $module) {
-		$module_version = $this->toolkit->GetMaxModuleVersion($module);
-		$prerequisites_errors = $this->toolkit->CheckPrerequisites($module . '/', Array ($module_version), 'install');
+		$module_version = $this->toolkit->GetMaxModuleVersion('modules/' . $module . '/');
+		$prerequisites_errors = $this->toolkit->CheckPrerequisites('modules/' . $module . '/', Array ($module_version), 'install');
 
 		$license_module = $module;