diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 35ecebcafd..0efcb7215c 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2014-09-24  Yao Qi  <yao@codesourcery.com>
+
+	* arm-tdep.c (thumb_in_function_epilogue_p): Fix typo in the
+	bitmask.
+
 2014-09-22  Gary Benson  <gbenson@redhat.com>
 
 	* target.c (target_stop): Updated comment.
diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index 5cdfc5bf4e..e2559ecbd2 100644
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -3273,7 +3273,7 @@ thumb_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc)
 	found_return = 1;
       else if (thumb_instruction_restores_sp (insn))
 	{
-	  if ((insn & 0xfe00) == 0xbd00)  /* pop <registers, PC> */
+	  if ((insn & 0xff00) == 0xbd00)  /* pop <registers, PC> */
 	    found_return = 1;
 	}
       else if (thumb_insn_size (insn) == 4)  /* 32-bit Thumb-2 instruction */