diff --git a/C/errors.c b/C/errors.c
index 1fc418464..bce1891ef 100644
--- a/C/errors.c
+++ b/C/errors.c
@@ -207,7 +207,8 @@ exit_yap (int value, char *msg)
   exit(value);
 }
 
-static void detect_bug_location(char *tp, int psize)
+static void
+detect_bug_location(char *tp, int psize)
 {
   Atom pred_name;
   Int pred_arity;
diff --git a/C/exec.c b/C/exec.c
index 96030a389..30e212fa4 100644
--- a/C/exec.c
+++ b/C/exec.c
@@ -1315,6 +1315,6 @@ InitExecFs(void)
   InitCPred("$restore_regs", 1, p_restore_regs, SafePredFlag);
   InitCPred("$restore_regs", 2, p_restore_regs2, SafePredFlag);
   InitCPred("$clean_ifcp", 1, p_clean_ifcp, SafePredFlag);
-  InitCPred("$jump_env_and_store_ball", 1, p_jump_env, SafePredFlag);
+  InitCPred("$jump_env_and_store_ball", 1, p_jump_env, 0);
 }
 
diff --git a/pl/boot.yap b/pl/boot.yap
index f14c0a335..44581ca2a 100644
--- a/pl/boot.yap
+++ b/pl/boot.yap
@@ -1188,7 +1188,6 @@ throw(Ball) :-
 	'$jump_env_and_store_ball'(NewBall).
 
 
-	
 % just create a choice-point
 '$catch'(_,_,_).
 '$catch'(_,_,_) :- fail.