diff --git a/colors.c b/colors.c
--- a/colors.c
+++ b/colors.c
@@ -73,7 +73,7 @@
 static bool is_colored (enum indicator_no type);
 static void restore_default_color (void);
 
-#define RL_COLOR_PREFIX_EXTENSION	"readline-colored-completion-prefix"
+#define RL_COLOR_PREFIX_EXTENSION	".readline-colored-completion-prefix"
 
 COLOR_EXT_TYPE *_rl_color_ext_list = 0;
 
diff --git a/patchlevel b/patchlevel
--- a/patchlevel
+++ b/patchlevel
@@ -1,3 +1,3 @@
 # Do not edit -- exists only for use by patch
 
-2
+3