diff --git a/aterm-gc.supp b/aterm-gc.supp
index 4d7a9ad8b3..dcd6371fe5 100644
--- a/aterm-gc.supp
+++ b/aterm-gc.supp
@@ -20,6 +20,13 @@
    fun:AT_collect_minor
 }
 
+{
+   ATerm library conservatively scans for GC roots
+   Memcheck:Value8
+   fun:*
+   fun:AT_collect_minor
+}
+
 {
    ATerm library conservatively scans for GC roots
    Memcheck:Value4
@@ -28,6 +35,14 @@
    fun:AT_collect_minor
 }
 
+{
+   ATerm library conservatively scans for GC roots
+   Memcheck:Value8
+   fun:*
+   fun:*
+   fun:AT_collect_minor
+}
+
 {
    ATerm library conservatively scans for GC roots
    Memcheck:Addr4
@@ -35,6 +50,13 @@
    fun:AT_collect_minor
 }
 
+{
+   ATerm library conservatively scans for GC roots
+   Memcheck:Addr8
+   fun:*
+   fun:AT_collect_minor
+}
+
 {
    ATerm library conservatively scans for GC roots
    Memcheck:Cond
@@ -49,6 +71,13 @@
    fun:AT_collect
 }
 
+{
+   ATerm library conservatively scans for GC roots
+   Memcheck:Value8
+   fun:*
+   fun:AT_collect
+}
+
 {
    ATerm library conservatively scans for GC roots
    Memcheck:Addr4
@@ -56,6 +85,13 @@
    fun:AT_collect
 }
 
+{
+   ATerm library conservatively scans for GC roots
+   Memcheck:Addr8
+   fun:*
+   fun:AT_collect
+}
+
 {
    ATerm library conservatively scans for GC roots
    Memcheck:Value4
@@ -64,6 +100,14 @@
    fun:AT_collect
 }
 
+{
+   ATerm library conservatively scans for GC roots
+   Memcheck:Value8
+   fun:*
+   fun:*
+   fun:AT_collect
+}
+
 {
    ATerm library conservatively scans for GC roots
    Memcheck:Cond