2 files changed, 2 insertions, 2 deletions
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_generalstate.h b/core/fpdfapi/fpdf_page/include/cpdf_generalstate.h
index f07e411973..1cd2d815c8 100644
--- a/core/fpdfapi/fpdf_page/include/cpdf_generalstate.h
+++ b/core/fpdfapi/fpdf_page/include/cpdf_generalstate.h
@@ -21,7 +21,7 @@ class CPDF_GeneralState {
   ~CPDF_GeneralState();
 
   void Emplace() { m_Ref.Emplace(); }
-  operator bool() const { return !!m_Ref; }
+  explicit operator bool() const { return !!m_Ref; }
 
   void SetRenderIntent(const CFX_ByteString& ri);
 
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_path.h b/core/fpdfapi/fpdf_page/include/cpdf_path.h
index a9b0a7fac0..ae98531214 100644
--- a/core/fpdfapi/fpdf_page/include/cpdf_path.h
+++ b/core/fpdfapi/fpdf_page/include/cpdf_path.h
@@ -20,7 +20,7 @@ class CPDF_Path {
   ~CPDF_Path();
 
   void Emplace() { m_Ref.Emplace(); }
-  operator bool() const { return !!m_Ref; }
+  explicit operator bool() const { return !!m_Ref; }
 
   int GetPointCount() const;
   void SetPointCount(int count);