2 files changed, 4 insertions, 2 deletions
diff --git a/src/content_cao.cpp b/src/content_cao.cpp
index 3aa3bad97..2a4acd373 100644
--- a/src/content_cao.cpp
+++ b/src/content_cao.cpp
@@ -1313,7 +1313,7 @@ void GenericCAO::updateTexturePos()
 	}
 }
 
-void GenericCAO::updateTextures(const std::string &mod)
+void GenericCAO::updateTextures(std::string mod)
 {
 	ITextureSource *tsrc = m_client->tsrc();
 
diff --git a/src/content_cao.h b/src/content_cao.h
index a0601d692..3be753529 100644
--- a/src/content_cao.h
+++ b/src/content_cao.h
@@ -200,7 +200,9 @@ public:
 
 	void updateTexturePos();
 
-	void updateTextures(const std::string &mod);
+	// std::string copy is mandatory as mod can be a class member and there is a swap
+	// on those class members
+	void updateTextures(std::string mod);
 
 	void updateAnimation();