diff --git a/src/grib_api_prototypes.h b/src/grib_api_prototypes.h
index 79d13e078..494042b1c 100644
--- a/src/grib_api_prototypes.h
+++ b/src/grib_api_prototypes.h
@@ -1231,7 +1231,6 @@ long grib_get_decimal_scale_fact(double max, double min, long bpval, long binary
 
 /* grib_templates.c */
 grib_handle *grib_internal_template(grib_context *c, const char *name);
-grib_handle *grib_internal_template(grib_context *c, const char *name);
 grib_handle *grib_external_template(grib_context *c, const char *name);
 grib_handle *bufr_external_template(grib_context *c, const char *name);
 char *grib_external_template_path(grib_context *c, const char *name);
@@ -1240,6 +1239,7 @@ char *grib_external_template_path(grib_context *c, const char *name);
 grib_handle *grib_handle_of_accessor(grib_accessor *a);
 void grib_dependency_add(grib_accessor *observer, grib_accessor *observed);
 void grib_dependency_remove_observed(grib_accessor *observed);
+int _grib_dependency_notify_change(grib_handle* h, grib_accessor* observed);
 int grib_dependency_notify_change(grib_accessor *observed);
 void grib_dependency_remove_observer(grib_accessor *observer);
 void grib_dependency_observe_expression(grib_accessor *observer, grib_expression *e);
diff --git a/src/grib_dependency.c b/src/grib_dependency.c
index fc730d809..736fbf4be 100644
--- a/src/grib_dependency.c
+++ b/src/grib_dependency.c
@@ -141,6 +141,34 @@ int grib_dependency_notify_change(grib_accessor* observed)
     return ret;
 }
 
+/* This version takes in the handle so does not need to work it out from the 'observed' */
+/* See ECC-778 */
+int _grib_dependency_notify_change(grib_handle* h, grib_accessor* observed)
+{
+    grib_dependency *d = h->dependencies;
+    int ret = GRIB_SUCCESS;
+
+    /*Do a two pass mark&sweep, in case some dependencies are added while we notify*/
+    while(d)
+    {
+        d->run = (d->observed == observed && d->observer != 0);
+        d = d->next;
+    }
+
+    d = h->dependencies;
+    while(d)
+    {
+        if(d->run)
+        {
+            /*printf("grib_dependency_notify_change %s %s %p\n",observed->name,d->observer ? d->observer->name : "?", (void*)d->observer);*/
+            if( d->observer && (ret = grib_accessor_notify_change(d->observer,observed))
+                    != GRIB_SUCCESS) return ret;
+        }
+        d = d->next;
+    }
+    return ret;
+}
+
 void grib_dependency_remove_observer(grib_accessor* observer)
 {
     grib_handle     *h = handle_of(observer);
diff --git a/src/grib_value.c b/src/grib_value.c
index a6655c786..c1b9e65ff 100644
--- a/src/grib_value.c
+++ b/src/grib_value.c
@@ -626,7 +626,8 @@ static int _grib_set_double_array_internal(grib_handle* h,grib_accessor* a,
                 err  = grib_pack_double(a, val + *encoded_length, &len);
                 *encoded_length += len;
                 if(err == GRIB_SUCCESS){
-                    return grib_dependency_notify_change(a);
+                    /* See ECC-778 */
+                    return _grib_dependency_notify_change(h, a);
                 }
             }
             else {
@@ -662,7 +663,7 @@ static int _grib_set_double_array(grib_handle* h, const char* name,
         err = GRIB_ARRAY_TOO_SMALL;
 
     if(err == GRIB_SUCCESS)
-        return grib_dependency_notify_change(a);
+        return _grib_dependency_notify_change(h,a); /* See ECC-778 */
 
     return err;
 }
diff --git a/tests/ieee.sh b/tests/ieee.sh
index a5831247e..12fe93179 100755
--- a/tests/ieee.sh
+++ b/tests/ieee.sh
@@ -43,18 +43,17 @@ ${tools_dir}/grib_set -r -s packingType=grid_ieee $outsimple $out32
 ${tools_dir}/grib_filter r.filter $out32 > $out32.txt 
 diff $out32.txt ${data_dir}/ieee_test.good
 
-# Disabled for now. See GRIB-2 and GRIB-80
-#GRIB_IEEE_PACKING=32
-#export GRIB_IEEE_PACKING
-#${tools_dir}/grib_filter -o $out32 w.filter $infile 
-#${tools_dir}/grib_filter r.filter $out32 > $out32.txt 
-#diff $out32.txt ${data_dir}/ieee_test.good
+GRIB_IEEE_PACKING=32
+export GRIB_IEEE_PACKING
+${tools_dir}/grib_filter -o $out32 w.filter $infile 
+${tools_dir}/grib_filter r.filter $out32 > $out32.txt 
+diff $out32.txt ${data_dir}/ieee_test.good
 
-#GRIB_IEEE_PACKING=64
-#export GRIB_IEEE_PACKING
-#${tools_dir}/grib_filter -o $out64 w.filter $infile 
-#${tools_dir}/grib_filter r.filter $out64 > $out64.txt 
-#diff $out64.txt ${data_dir}/ieee_test.good
+GRIB_IEEE_PACKING=64
+export GRIB_IEEE_PACKING
+${tools_dir}/grib_filter -o $out64 w.filter $infile 
+${tools_dir}/grib_filter r.filter $out64 > $out64.txt 
+diff $out64.txt ${data_dir}/ieee_test.good
 
 rm -f $outsimple $out32 $out64 $out32.txt $out64.txt
 rm -f ${data_dir}/$outsimple.txt ${data_dir}/$out32.txt ${data_dir}/$out64.txt 
@@ -68,7 +67,8 @@ ${tools_dir}/grib_filter r.filter ${shdata}_ieee > $shdata.txt
 diff $shdata.txt $shdata.good
 rm -f ${shdata}_ieee
 
-##########################
+##################################
+# Disabled for now. Infinite loop
 #GRIB_IEEE_PACKING=32
 #export GRIB_IEEE_PACKING
 #${tools_dir}/grib_copy -r $shdata ${shdata}_32