diff --git a/setup/compiler.class.inc.php b/setup/compiler.class.inc.php
index 47ca52ad2..82b542696 100644
--- a/setup/compiler.class.inc.php
+++ b/setup/compiler.class.inc.php
@@ -2836,24 +2836,22 @@ EOF;
 
 			/** @var \DOMNodeList $oVariables */
 			$oVariables = $oTheme->GetNodes('variables/variable');
-			foreach($oVariables as $oVariable)
-			{
+			foreach ($oVariables as $oVariable) {
 				$sVariableId = $oVariable->getAttribute('id');
 				$aThemeParameters['variables'][$sVariableId] = $oVariable->GetText();
 			}
 
 			/** @var \DOMNodeList $oImports */
 			$oImports = $oTheme->GetNodes('imports/import');
-			foreach($oImports as $oImport)
-			{
+			foreach ($oImports as $oImport) {
 				$sImportId = $oImport->getAttribute('id');
-				if($oImport->getAttribute('xsi:type') === 'variables')
-				{
+				$sImportType = $oImport->getAttribute('xsi:type');
+				if ($sImportType === 'variables') {
 					$aThemeParameters['variable_imports'][$sImportId] = $oImport->GetText();
-				}
-				else
-				{
+				} elseif ($sImportType === 'utilities') {
 					$aThemeParameters['utility_imports'][$sImportId] = $oImport->GetText();
+				} else {
+					SetupLog::Warning('CompileThemes: Theme #'.$sThemeId.' has an import (#'.$sImportId.') without explicit xsi:type, it will be ignored. Check Datamodel XML Reference to fix it.');
 				}
 			}
 
diff --git a/test/setup/MFCompilerTest.php b/test/setup/MFCompilerTest.php
index 6e81789a3..b4ae72dfb 100644
--- a/test/setup/MFCompilerTest.php
+++ b/test/setup/MFCompilerTest.php
@@ -173,11 +173,11 @@ class MFCompilerTest extends ItopTestCase {
 				'ibo-page-banner--text-color' => '$ibo-color-red-100',
 				'ibo-page-banner--text-content' => '"THIS IS A TEST INSTANCE"',
 			],
-			'variable_imports' => [ 'style2' => 'style2.scss'],
-			'utility_imports' => [ 'style1' => 'style1.scss', 'style3' => 'style3.scss'],
+			'variable_imports' => ['ok-because-xsi-type-variables' => 'ok-because-xsi-type-variables.scss'],
+			'utility_imports' => ['ok-because-xsi-type-utilities' => 'ok-because-xsi-type-utilities.scss'],
 			'stylesheets' => [
 				"fullmoon" => '../css/backoffice/main.scss',
-                "environment-banner" => '../css/backoffice/themes/page-banner.scss'
+				"environment-banner" => '../css/backoffice/themes/page-banner.scss',
 			],
 		];
 
diff --git a/test/setup/ressources/datamodels/datamodel-branding.xml b/test/setup/ressources/datamodels/datamodel-branding.xml
index 210165e14..ad3623175 100644
--- a/test/setup/ressources/datamodels/datamodel-branding.xml
+++ b/test/setup/ressources/datamodels/datamodel-branding.xml
@@ -9,9 +9,9 @@
           <variable id="ibo-page-banner--text-content">"THIS IS A TEST INSTANCE"</variable>
         </variables>
         <imports>
-          <import id="style1">style1.scss</import>
-          <import id="style2" xsi:type="variables">style2.scss</import>
-          <import id="style3" xsi:type="utilities">style3.scss</import>
+          <import id="ignored-because-lack-xsi-type">ignored-because-lack-xsi-type.scss</import>
+          <import id="ok-because-xsi-type-variables" xsi:type="variables">ok-because-xsi-type-variables.scss</import>
+          <import id="ok-because-xsi-type-utilities" xsi:type="utilities">ok-because-xsi-type-utilities.scss</import>
         </imports>
         <stylesheets>
           <stylesheet id="fullmoon">../css/backoffice/main.scss</stylesheet>