diff --git a/src/pages/common/components/ChatComponent/ChatComponent.module.scss b/src/pages/common/components/ChatComponent/ChatComponent.module.scss
index 3f558a052f..bde91c06bd 100644
--- a/src/pages/common/components/ChatComponent/ChatComponent.module.scss
+++ b/src/pages/common/components/ChatComponent/ChatComponent.module.scss
@@ -22,7 +22,7 @@
   margin-bottom: var(--chat-input-wrapper-height);
 
   @include big-phone {
-    margin-bottom: 0;
+    --chat-input-wrapper-height: 2.5rem;
     padding: 0.5rem 0.75rem 0 0.5rem;
   }
 }
diff --git a/src/pages/commonFeed/components/FeedLayout/components/MobileChat/MobileChat.module.scss b/src/pages/commonFeed/components/FeedLayout/components/MobileChat/MobileChat.module.scss
index b326d84cff..6ce2e6b58f 100644
--- a/src/pages/commonFeed/components/FeedLayout/components/MobileChat/MobileChat.module.scss
+++ b/src/pages/commonFeed/components/FeedLayout/components/MobileChat/MobileChat.module.scss
@@ -1,4 +1,5 @@
 @import "../../../../../../constants";
+@import "../../../../../../styles/sizes";
 
 .modal {
   height: 90vh;
@@ -10,6 +11,10 @@
       padding: 0;
     }
   }
+
+  @include big-phone {
+    height: 100vh;
+  }
 }
 
 .headerTitleWrapper {