diff --git a/src/controllers/controllerengine.cpp b/src/controllers/controllerengine.cpp
index a1269291cbc..1ebe3a0fc73 100644
--- a/src/controllers/controllerengine.cpp
+++ b/src/controllers/controllerengine.cpp
@@ -553,7 +553,9 @@ void ControllerEngine::scriptErrorDialog(
             tr("The script code needs to be fixed.") + QStringLiteral("<p>") +
             additionalErrorText + QStringLiteral("</p></html>"));
 
-    props->setDetails(detailedError);
+    // Add "Details" text and set monospace font since they may contain
+    // backtraces and code.
+    props->setDetails(detailedError, true);
     props->setKey(detailedError);   // To prevent multiple windows for the same error
 
     // Allow user to suppress further notifications about this particular error
diff --git a/src/errordialoghandler.cpp b/src/errordialoghandler.cpp
index baf008d2406..eb7fd5193b7 100644
--- a/src/errordialoghandler.cpp
+++ b/src/errordialoghandler.cpp
@@ -27,6 +27,7 @@
 
 ErrorDialogProperties::ErrorDialogProperties()
         : m_title(Version::applicationName()),
+          m_detailsUseMonospaceFont(false),
           m_modal(true),
           m_shouldQuit(false),
           m_type(DLG_NONE),
@@ -161,6 +162,9 @@ void ErrorDialogHandler::errorDialog(ErrorDialogProperties* pProps) {
     }
     if (!props->m_details.isEmpty()) {
         pMsgBox->setDetailedText(props->m_details);
+        if (props->m_detailsUseMonospaceFont) {
+            pMsgBox->setStyleSheet("QTextEdit { font-family: monospace; }");
+        }
     }
 
     while (!props->m_buttons.isEmpty()) {
diff --git a/src/errordialoghandler.h b/src/errordialoghandler.h
index 3a1f028b6ad..eb146ae2ffd 100644
--- a/src/errordialoghandler.h
+++ b/src/errordialoghandler.h
@@ -68,8 +68,9 @@ class ErrorDialogProperties {
     }
 
     /** Set detailed text (causes "Show Details" button to appear.) */
-    inline void setDetails(const QString& text) {
+    inline void setDetails(const QString& text, bool bUseMonospaceFont = false) {
         m_details = text;
+        m_detailsUseMonospaceFont = bUseMonospaceFont;
     }
 
     /** Set whether the box is modal (blocks the GUI) or not */
@@ -112,6 +113,7 @@ class ErrorDialogProperties {
     QString m_text;
     QString m_infoText;
     QString m_details;
+    bool m_detailsUseMonospaceFont;
     bool m_modal;
     bool m_shouldQuit;
     DialogType m_type;