diff --git a/projects/ngx-material-navigation/package.json b/projects/ngx-material-navigation/package.json
index 270f12d..85cfebd 100644
--- a/projects/ngx-material-navigation/package.json
+++ b/projects/ngx-material-navigation/package.json
@@ -1,6 +1,6 @@
 {
     "name": "ngx-material-navigation",
-    "version": "18.1.2",
+    "version": "18.1.3",
     "license": "MIT",
     "keywords": [
         "angular",
diff --git a/projects/ngx-material-navigation/src/components/nav-element/image/nav-image-with-external-link/nav-image-with-external-link.component.html b/projects/ngx-material-navigation/src/components/nav-element/image/nav-image-with-external-link/nav-image-with-external-link.component.html
index a2fb5d1..82c4947 100644
--- a/projects/ngx-material-navigation/src/components/nav-element/image/nav-image-with-external-link/nav-image-with-external-link.component.html
+++ b/projects/ngx-material-navigation/src/components/nav-element/image/nav-image-with-external-link/nav-image-with-external-link.component.html
@@ -6,5 +6,5 @@
     [class.menuItem]="isMenuItem"
 >
     <!-- eslint-disable-next-line angular/prefer-ngsrc -->
-    <img width="auto" [alt]="elementValue.alt" [height]="elementValue.height" [src]="elementValue.url">
+    <img width="auto" [alt]="elementValue.alt" [height]="elementValue.height" [style.height]="elementValue.height" [src]="elementValue.url">
 </a>
\ No newline at end of file
diff --git a/projects/ngx-material-navigation/src/components/nav-element/image/nav-image-with-internal-link/nav-image-with-internal-link.component.html b/projects/ngx-material-navigation/src/components/nav-element/image/nav-image-with-internal-link/nav-image-with-internal-link.component.html
index 5aa9026..a691bd0 100644
--- a/projects/ngx-material-navigation/src/components/nav-element/image/nav-image-with-internal-link/nav-image-with-internal-link.component.html
+++ b/projects/ngx-material-navigation/src/components/nav-element/image/nav-image-with-internal-link/nav-image-with-internal-link.component.html
@@ -6,5 +6,5 @@
     [class.menuItem]="isMenuItem"
 >
     <!-- eslint-disable-next-line angular/prefer-ngsrc -->
-    <img width="auto" [alt]="elementValue.alt" [height]="elementValue.height" [src]="elementValue.url">
+    <img width="auto" [alt]="elementValue.alt" [height]="elementValue.height" [style.height]="elementValue.height" [src]="elementValue.url">
 </a>
\ No newline at end of file
diff --git a/projects/ngx-material-navigation/src/components/nav-element/image/nav-image/nav-image.component.html b/projects/ngx-material-navigation/src/components/nav-element/image/nav-image/nav-image.component.html
index 8a7f300..ee36c1f 100644
--- a/projects/ngx-material-navigation/src/components/nav-element/image/nav-image/nav-image.component.html
+++ b/projects/ngx-material-navigation/src/components/nav-element/image/nav-image/nav-image.component.html
@@ -1,4 +1,4 @@
 <div [class.sidenavElement]="isSidenavElement" [class.menuItem]="isMenuItem">
     <!-- eslint-disable-next-line angular/prefer-ngsrc -->
-    <img width="auto" [alt]="elementValue.alt" [height]="elementValue.height" [src]="elementValue.url">
+    <img width="auto" [alt]="elementValue.alt" [height]="elementValue.height" [style.height]="elementValue.height" [src]="elementValue.url">
 </div>
\ No newline at end of file
diff --git a/projects/ngx-material-navigation/src/components/navbar/navbar.component.ts b/projects/ngx-material-navigation/src/components/navbar/navbar.component.ts
index 9894e16..dd51cba 100644
--- a/projects/ngx-material-navigation/src/components/navbar/navbar.component.ts
+++ b/projects/ngx-material-navigation/src/components/navbar/navbar.component.ts
@@ -167,7 +167,7 @@ export class NgxMatNavigationNavbarComponent implements AfterContentChecked {
         if (this.sidenavElements.find(e => e.collapse === 'md')) {
             return 'burger-md';
         }
-        if (this.sidenavElements.find(e => e.collapse === 'sm')) {
+        if (this.sidenavElements.find(e => e.collapse === 'sm' || e.collapse === undefined)) {
             return 'burger-sm';
         }
         return 'burger-never';