diff --git a/Runtime/CStaticInterference.cpp b/Runtime/CStaticInterference.cpp
index 432a6664a..7015e85e4 100644
--- a/Runtime/CStaticInterference.cpp
+++ b/Runtime/CStaticInterference.cpp
@@ -4,7 +4,7 @@
 
 namespace urde {
 
-CStaticInterference::CStaticInterference(int sourceCount) { m_sources.reserve(sourceCount); }
+CStaticInterference::CStaticInterference(size_t sourceCount) { m_sources.reserve(sourceCount); }
 
 void CStaticInterference::RemoveSource(TUniqueId id) {
   auto iter = std::find_if(m_sources.begin(), m_sources.end(),
diff --git a/Runtime/CStaticInterference.hpp b/Runtime/CStaticInterference.hpp
index 2018165f9..97e3eff55 100644
--- a/Runtime/CStaticInterference.hpp
+++ b/Runtime/CStaticInterference.hpp
@@ -16,7 +16,7 @@ class CStaticInterference {
   std::vector<CStaticInterferenceSource> m_sources;
 
 public:
-  explicit CStaticInterference(int sourceCount);
+  explicit CStaticInterference(size_t sourceCount);
   void RemoveSource(TUniqueId id);
   void Update(CStateManager&, float dt);
   float GetTotalInterference() const;