diff --git a/Compiler/BackEnd/BackendEquation.mo b/Compiler/BackEnd/BackendEquation.mo
index 2a3b90dd6d..df8c00bcf2 100644
--- a/Compiler/BackEnd/BackendEquation.mo
+++ b/Compiler/BackEnd/BackendEquation.mo
@@ -2234,6 +2234,7 @@ algorithm
     then eq;
 */
     else equation
+      true = Flags.isSet(Flags.FAILTRACE);
       BackendDump.dumpBackendDAEEqnList({eqn}, "function BackendEquation.solveEquation failed w.r.t " + ExpressionDump.printExpStr(crefExp), true);
       Error.addInternalError("function solveEquation failed", sourceInfo());
     then fail();