diff --git a/coin/provisioning/qtci-macos-15-arm/06-crashreporter.sh b/coin/provisioning/qtci-macos-15-arm/06-crashreporter.sh
index cb7c0774..b66bbc38 100755
--- a/coin/provisioning/qtci-macos-15-arm/06-crashreporter.sh
+++ b/coin/provisioning/qtci-macos-15-arm/06-crashreporter.sh
@@ -5,3 +5,8 @@
 set -ex
 
 defaults write com.apple.CrashReporter DialogType server
+
+# shellcheck source=../common/unix/SetEnvVar.sh
+source "${BASH_SOURCE%/*}/../common/unix/SetEnvVar.sh"
+
+SetEnvVar "SWIFT_BACKTRACE" "enable=yes,output-to=stderr,preset=medium,interactive=false"
diff --git a/coin/provisioning/qtci-macos-15-x86_64/06-crashreporter.sh b/coin/provisioning/qtci-macos-15-x86_64/06-crashreporter.sh
index cb7c0774..b66bbc38 100755
--- a/coin/provisioning/qtci-macos-15-x86_64/06-crashreporter.sh
+++ b/coin/provisioning/qtci-macos-15-x86_64/06-crashreporter.sh
@@ -5,3 +5,8 @@
 set -ex
 
 defaults write com.apple.CrashReporter DialogType server
+
+# shellcheck source=../common/unix/SetEnvVar.sh
+source "${BASH_SOURCE%/*}/../common/unix/SetEnvVar.sh"
+
+SetEnvVar "SWIFT_BACKTRACE" "enable=yes,output-to=stderr,preset=medium,interactive=false"