diff --git a/core/core.php b/core/core.php
index 7af5ceb..fa0d7f1 100644
--- a/core/core.php
+++ b/core/core.php
@@ -2630,12 +2630,14 @@ class core extends common {
 				$colors = helper::colorVariants($this->getData(['theme', 'header', 'textColor']));
 				$css .= 'header #wallPaper span{color:' . $colors['normal'] . ';font-family:"' . $this->getData(['fonts', $this->getData(['theme', 'header', 'font']), 'name']) . '",sans-serif;font-weight:' . $this->getData(['theme', 'header', 'fontWeight']) . ';font-size:' . $this->getData(['theme', 'header', 'fontSize']) . ';text-transform:' . $this->getData(['theme', 'header', 'textTransform']) . '}';
 				// En petit écran pour s'adapter à des textes longs
-				$titleLineHeight = str_replace(',','.',(str_replace(',','.',str_replace('em','',$this->getData(['theme', 'header', 'fontSize']))/2)+0.2)).'em';
+				$search ='em';
+				if( $this->getData(['theme', 'header', 'fontSize']) === '2.4vmax' ) $search = 'vmax';
+				$titleLineHeight = str_replace(',','.',(str_replace(',','.',str_replace($search,'',$this->getData(['theme', 'header', 'fontSize']))/2)+0.2)).'em';
 				//Si menu burger fixe et superposé à la bannière
 				if( $this->getData(['theme', 'menu', 'burgerFixed']) && $this->getData(['theme', 'menu', 'burgerOverlay'])) {			
 					$titleMarginTop = strval($bannerHeight - 5).'px';
 				} else {
-					$titleMarginTop	= ((int) str_replace('px','', $this->getData(['theme', 'header', 'height'])))/2 - $fontsize * ( str_replace('em','', $this->getData(['theme', 'header', 'fontSize'])));
+					$titleMarginTop	= ((int) str_replace('px','', $this->getData(['theme', 'header', 'height'])))/2 - $fontsize * ( str_replace($search,'', $this->getData(['theme', 'header', 'fontSize'])));
 					$titleMarginTop = strval((int)$titleMarginTop).'px';
 				}
 				$css .= '@media (max-width: 799px) { header #themeHeaderTitle{ margin-top:'.$titleMarginTop.'; line-height:'.$titleLineHeight.';}}';