diff --git a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt
index 1aead4e9..63b0abac 100644
--- a/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt
@@ -314,7 +314,7 @@ class ThreadAdapter(
     private fun launchViewIntent(uri: Uri, mimetype: String, filename: String) {
         Intent().apply {
             action = Intent.ACTION_VIEW
-            setDataAndType(uri, mimetype)
+            setDataAndType(uri, mimetype.toLowerCase())
             addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
 
             try {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index e3f2d8cd..0521dba2 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Sat Mar 06 06:37:14 PST 2021
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
+#Tue Nov 03 16:00:32 CET 2020
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
 distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-bin.zip