diff --git a/src/fe-common/core/completion.c b/src/fe-common/core/completion.c
index 16427610..08a538dd 100644
--- a/src/fe-common/core/completion.c
+++ b/src/fe-common/core/completion.c
@@ -483,6 +483,8 @@ static char *line_get_command(const char *line, char **args, int aliases)
 		*args = (char *) cmdargs;
 	} while (ptr != NULL);
 
+        if (cmd != NULL)
+		g_strdown(cmd);
 	return cmd;
 }