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-rw-r--r--haddock-api/resources/html/haddock-util.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/haddock-api/resources/html/haddock-util.js b/haddock-api/resources/html/haddock-util.js
index ba574356..fc7743fe 100644
--- a/haddock-api/resources/html/haddock-util.js
+++ b/haddock-api/resources/html/haddock-util.js
@@ -229,7 +229,7 @@ function perform_search(full)
}
function setSynopsis(filename) {
- if (parent.window.synopsis) {
+ if (parent.window.synopsis && parent.window.synopsis.location) {
if (parent.window.synopsis.location.replace) {
// In Firefox this avoids adding the change to the history.
parent.window.synopsis.location.replace(filename);