diff --git a/test/imp/Makefile b/test/imp/Makefile
index bd842aa218..57d1ba76f6 100644
--- a/test/imp/Makefile
+++ b/test/imp/Makefile
@@ -18,8 +18,9 @@ max-inconsistent-prelude-spec.k.out: \
 max-inconsistent-prelude-spec.k.out: max-inconsistent-prelude-spec.k imp.k $(TEST_DEPS)
 	@echo ">>>" $(CURDIR) "kprove" $<
 	rm -f $@
-	$(KPROVE) $(KPROVE_OPTS) $(KPROVE_SPEC) 1> /dev/null 2> $@ || true
-	grep -q "The definitions sent to the solver are inconsistent." $@ || mv $@ $@.fail
+	$(KPROVE) $(KPROVE_OPTS) $(KPROVE_SPEC) 2>&1 1>/dev/null \
+		| grep "inconsistent" > $@ \
+		|| mv $@ $@.fail
 
 max-consistent-prelude-spec.k.out: \
     KPROVE_OPTS += --spec-module MAX-SPEC
diff --git a/test/imp/max-inconsistent-prelude-spec.k.out.golden b/test/imp/max-inconsistent-prelude-spec.k.out.golden
index f5a7dd7d89..00958d4398 100644
--- a/test/imp/max-inconsistent-prelude-spec.k.out.golden
+++ b/test/imp/max-inconsistent-prelude-spec.k.out.golden
@@ -1,6 +1 @@
-kore-exec: [10415077] Error (ErrorException):
     The definitions sent to the solver are inconsistent.
-    CallStack (from HasCallStack):
-      error, called at src/Kore/Step/SMT/Lemma.hs:106:9 in kore-0.45.0.0-wxhTBooqYV3YocNuIDw2u:Kore.Step.SMT.Lemma
-[Error] Critical: Haskell Backend execution failed with code 1 and produced no
-output.