diff --git a/xs/src/libslic3r/PlaceholderParser.cpp b/xs/src/libslic3r/PlaceholderParser.cpp
index 8f2f6d6e7e7..77ef64e8d38 100644
--- a/xs/src/libslic3r/PlaceholderParser.cpp
+++ b/xs/src/libslic3r/PlaceholderParser.cpp
@@ -56,7 +56,7 @@ namespace Slic3r {
 
 PlaceholderParser::PlaceholderParser()
 {
-    this->set("version", SLIC3R_VERSION);
+    this->set("version", std::string(SLIC3R_VERSION));
     this->apply_env_variables();
     this->update_timestamp();
 }