diff --git a/tools/qfcc/source/def.c b/tools/qfcc/source/def.c
index 3f2f1c838..865ef4066 100644
--- a/tools/qfcc/source/def.c
+++ b/tools/qfcc/source/def.c
@@ -807,6 +807,8 @@ def_visit_all (def_t *def, int overlap,
 		def = def->alias;
 		if ((ret = visit (def, data)))
 			return ret;
+	} else {
+		overlap = 0;
 	}
 	for (def = def->alias_defs; def; def = def->next) {
 		if (def == start_def)
diff --git a/tools/qfcc/source/statements.c b/tools/qfcc/source/statements.c
index 61ab35c5e..0ba4d1e21 100644
--- a/tools/qfcc/source/statements.c
+++ b/tools/qfcc/source/statements.c
@@ -393,6 +393,8 @@ tempop_visit_all (tempop_t *tempop, int overlap,
 		tempop = &top->o.tempop;
 		if ((ret = visit (tempop, data)))
 			return ret;
+	} else {
+		overlap = 0;
 	}
 	for (top = tempop->alias_ops; top; top = top->next) {
 		if (top->op_type != op_temp) {