diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8d7e360d68f..521a44a8340 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-09-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* ggc-common.c (init_ggc_heuristics): Don't use the heuristics
+	when gc checking is enabled.
+
 2003-09-06  Steven Bosscher  <steven@gcc.gnu.org>
 
 	PR c/9862
diff --git a/gcc/ggc-common.c b/gcc/ggc-common.c
index a125b327f75..5f0d11dd9ba 100644
--- a/gcc/ggc-common.c
+++ b/gcc/ggc-common.c
@@ -753,7 +753,7 @@ ggc_min_heapsize_heuristic (void)
 void
 init_ggc_heuristics (void)
 {
-#ifndef ENABLE_GC_ALWAYS_COLLECT
+#if !defined ENABLE_GC_CHECKING && !defined ENABLE_GC_ALWAYS_COLLECT
   set_param_value ("ggc-min-expand", ggc_min_expand_heuristic());
   set_param_value ("ggc-min-heapsize", ggc_min_heapsize_heuristic());
 #endif