diff --git a/themes/base.theme.bash b/themes/base.theme.bash
index 18c6c9d4..5a5edd32 100644
--- a/themes/base.theme.bash
+++ b/themes/base.theme.bash
@@ -108,8 +108,8 @@ function hg_prompt_vars {
     fi
     SCM_PREFIX=${HG_THEME_PROMPT_PREFIX:-$SCM_THEME_PROMPT_PREFIX}
     SCM_SUFFIX=${HG_THEME_PROMPT_SUFFIX:-$SCM_THEME_PROMPT_SUFFIX}
-    SCM_BRANCH=$(hg summary 2> /dev/null | grep branch | awk '{print $2}')
-    SCM_CHANGE=$(hg summary 2> /dev/null | grep parent | awk '{print $2}')
+    SCM_BRANCH=$(hg summary 2> /dev/null | grep branch: | awk '{print $2}')
+    SCM_CHANGE=$(hg summary 2> /dev/null | grep parent: | awk '{print $2}')
 }
 
 function rvm_version_prompt {