diff --git a/syncthingtray/default/PKGBUILD b/syncthingtray/default/PKGBUILD
index 4a2db06b..d3e6feb2 100644
--- a/syncthingtray/default/PKGBUILD
+++ b/syncthingtray/default/PKGBUILD
@@ -74,6 +74,7 @@ build() {
 
 check() {
   cd "$srcdir/${PROJECT_DIR_NAME:-$_reponame-$pkgver}"
+  export HOME=${HOME:-/}  # https://github.com/syncthing/syncthing/issues/8785
   QT_QPA_PLATFORM=offscreen SYNCTHING_PORT=$(ephemeral_port) SYNCTHING_TEST_TIMEOUT_FACTOR=3 ninja check
 }
 
diff --git a/syncthingtray/git/PKGBUILD b/syncthingtray/git/PKGBUILD
index a1e19832..47782639 100644
--- a/syncthingtray/git/PKGBUILD
+++ b/syncthingtray/git/PKGBUILD
@@ -90,6 +90,7 @@ build() {
 
 check() {
   cd "$srcdir/${PROJECT_DIR_NAME:-$_reponame}"
+  export HOME=${HOME:-/}  # https://github.com/syncthing/syncthing/issues/8785
   QT_QPA_PLATFORM=offscreen SYNCTHING_PORT=$(ephemeral_port) SYNCTHING_TEST_TIMEOUT_FACTOR=3 ninja check
 }
 
diff --git a/syncthingtray/qt6/PKGBUILD b/syncthingtray/qt6/PKGBUILD
index 07d428c3..e5b9c593 100644
--- a/syncthingtray/qt6/PKGBUILD
+++ b/syncthingtray/qt6/PKGBUILD
@@ -87,6 +87,7 @@ build() {
 
 check() {
   cd "$srcdir/${PROJECT_DIR_NAME:-$_reponame-$pkgver}"
+  export HOME=${HOME:-/}  # https://github.com/syncthing/syncthing/issues/8785
   QT_QPA_PLATFORM=offscreen SYNCTHING_PORT=$(ephemeral_port) SYNCTHING_TEST_TIMEOUT_FACTOR=3 ninja check
 }
 
diff --git a/syncthingtray/static-compat/PKGBUILD b/syncthingtray/static-compat/PKGBUILD
index 16fbb82e..32a6aa76 100644
--- a/syncthingtray/static-compat/PKGBUILD
+++ b/syncthingtray/static-compat/PKGBUILD
@@ -124,6 +124,7 @@ check() {
   source static-compat-environment
   export PATH=$PWD:$PATH
   cd "$srcdir/${PROJECT_DIR_NAME:-$_reponame-$pkgver}"
+  export HOME=${HOME:-/}  # https://github.com/syncthing/syncthing/issues/8785
   QT_QPA_PLATFORM=offscreen SYNCTHING_PORT=$(ephemeral_port) SYNCTHING_TEST_TIMEOUT_FACTOR=3 ninja check
 }