diff --git a/src/app/options.h b/src/app/options.h
index 53cdb7c61..9f734f0e6 100644
--- a/src/app/options.h
+++ b/src/app/options.h
@@ -341,6 +341,8 @@ extern const QString in_Oprt;
 }                                                           \
 
 #endif /* Q_OS_WIN32 */
+#else // define but disable this function if debugging is not set
+#define SCASSERT(cond)
 #endif /* QT_NO_DEBUG */
 
 #endif // OPTIONS_H