diff --git a/theme/standard/styles_layout.css b/theme/standard/styles_layout.css
index f12b1047fca..8f9f6e4575c 100644
--- a/theme/standard/styles_layout.css
+++ b/theme/standard/styles_layout.css
@@ -1414,6 +1414,9 @@ body#course-participation #showall {
   width:40px
   vertical-align:top;
 }
+.chat-message .text {
+  text-align: left;
+}
 
 /***
  *** Modules: Choice