diff --git a/app/build.gradle b/app/build.gradle
index f0f70f55e..eb4681c4d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -43,7 +43,7 @@ ext {
 }
 
 dependencies {
-    implementation 'com.simplemobiletools:commons:3.1.9'
+    implementation 'com.simplemobiletools:commons:3.1.12'
     implementation 'com.davemorrissey.labs:subsampling-scale-image-view:3.8.0'
     implementation 'com.theartofdev.edmodo:android-image-cropper:2.4.0'
     implementation 'com.android.support:multidex:1.0.2'
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt
index 599b17d3a..a7297449b 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/fragments/PhotoFragment.kt
@@ -223,7 +223,7 @@ class PhotoFragment : ViewPagerFragment() {
     }
 
     private fun addZoomableView() {
-        if ((medium.isImage()) && isFragmentVisible && view.subsampling_view.isGone()) {
+        if ((medium.isImage()) && isFragmentVisible && view.subsampling_view.isGone() && !medium.isDng()) {
             val exif = android.media.ExifInterface(medium.path)
             val orientation = exif.getAttributeInt(android.media.ExifInterface.TAG_ORIENTATION, android.media.ExifInterface.ORIENTATION_NORMAL)
 
diff --git a/app/src/main/kotlin/com/simplemobiletools/gallery/models/Medium.kt b/app/src/main/kotlin/com/simplemobiletools/gallery/models/Medium.kt
index 638dc3f9b..6572cfacb 100644
--- a/app/src/main/kotlin/com/simplemobiletools/gallery/models/Medium.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/gallery/models/Medium.kt
@@ -18,6 +18,8 @@ data class Medium(var name: String, var path: String, val video: Boolean, val mo
 
     fun isImage() = !isGif() && !video
 
+    fun isDng() = path.isDng()
+
     fun getMimeType() = path.getMimeTypeFromPath()
 
     override fun compareTo(other: Medium): Int {