diff --git a/src/llvm-cpufeatures.cpp b/src/llvm-cpufeatures.cpp
index 75ac96e1b3060..1c21ddba49be6 100644
--- a/src/llvm-cpufeatures.cpp
+++ b/src/llvm-cpufeatures.cpp
@@ -111,7 +111,7 @@ bool lowerCPUFeatures(Module &M)
         for (auto I: Materialized) {
             I->eraseFromParent();
         }
-        assert(!verifyModule(M));
+        assert(!verifyModule(M, &errs()));
         return true;
     } else {
         return false;
diff --git a/src/llvm-multiversioning.cpp b/src/llvm-multiversioning.cpp
index 4badf555bcdbe..e1110c556369d 100644
--- a/src/llvm-multiversioning.cpp
+++ b/src/llvm-multiversioning.cpp
@@ -1135,7 +1135,7 @@ static bool runMultiVersioning(Module &M, function_ref<LoopInfo&(Function&)> Get
     // and collected all the shared/target-specific relocations.
     clone.emit_metadata();
 
-    assert(!verifyModule(M));
+    assert(!verifyModule(M, &errs()));
 
     return true;
 }
diff --git a/src/llvm-simdloop.cpp b/src/llvm-simdloop.cpp
index 15ae3492927ff..c9a38a6a879b8 100644
--- a/src/llvm-simdloop.cpp
+++ b/src/llvm-simdloop.cpp
@@ -229,7 +229,7 @@ static bool markLoopInfo(Module &M, Function *marker, function_ref<LoopInfo &(Fu
         I->deleteValue();
     marker->eraseFromParent();
 
-    assert(!verifyModule(M));
+    assert(!verifyModule(M, &errs()));
     return Changed;
 }