1 files changed, 4 insertions, 4 deletions
diff --git a/deb.c b/deb.c
index dec5c06a15..eaa50826d4 100644
--- a/deb.c
+++ b/deb.c
@@ -47,7 +47,7 @@ Perl_vdeb(pTHX_ const char *pat, va_list *args)
 #ifdef DEBUGGING
     char* file = CopFILE(PL_curcop);
 
-#ifdef USE_THREADS
+#ifdef USE_5005THREADS
     PerlIO_printf(Perl_debug_log, "0x%"UVxf" (%s:%ld)\t",
 		  PTR2UV(thr),
 		  (file ? file : "<free>"),
@@ -55,7 +55,7 @@ Perl_vdeb(pTHX_ const char *pat, va_list *args)
 #else
     PerlIO_printf(Perl_debug_log, "(%s:%ld)\t", (file ? file : "<free>"),
 		  (long)CopLINE(PL_curcop));
-#endif /* USE_THREADS */
+#endif /* USE_5005THREADS */
     (void) PerlIO_vprintf(Perl_debug_log, pat, *args);
 #endif /* DEBUGGING */
 }
@@ -93,13 +93,13 @@ Perl_debstack(pTHX)
 	if (*markscan >= i)
 	    break;
 
-#ifdef USE_THREADS
+#ifdef USE_5005THREADS
     PerlIO_printf(Perl_debug_log,
 		  i ? "0x%"UVxf"    =>  ...  " : "0x%lx    =>  ",
 		  PTR2UV(thr));
 #else
     PerlIO_printf(Perl_debug_log, i ? "    =>  ...  " : "    =>  ");
-#endif /* USE_THREADS */
+#endif /* USE_5005THREADS */
     if (PL_stack_base[0] != &PL_sv_undef || PL_stack_sp < PL_stack_base)
 	PerlIO_printf(Perl_debug_log, " [STACK UNDERFLOW!!!]\n");
     do {