diff --git a/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp b/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp
index 2c08cd82a5b5..8012b6f61c9b 100644
--- a/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp
+++ b/llvm/lib/Transforms/IPO/WholeProgramDevirt.cpp
@@ -111,10 +111,11 @@ static cl::opt<std::string> ClWriteSummary(
     cl::desc("Write summary to given YAML file after running pass"),
     cl::Hidden);
 
-static cl::opt<int> ClThreshold("wholeprogramdevirt-branch-funnel-threshold",
-                                cl::Hidden, cl::init(10), cl::ZeroOrMore,
-                                cl::desc("Maximum number of call targets per "
-                                         "call site to enable branch funnels"));
+static cl::opt<unsigned>
+    ClThreshold("wholeprogramdevirt-branch-funnel-threshold", cl::Hidden,
+                cl::init(10), cl::ZeroOrMore,
+                cl::desc("Maximum number of call targets per "
+                         "call site to enable branch funnels"));
 
 // Find the minimum offset that we may store a value of size Size bits at. If
 // IsAfter is set, look for an offset before the object, otherwise look for an