diff --git a/src/slic3r/GUI/Gizmos/GLGizmoEmboss.cpp b/src/slic3r/GUI/Gizmos/GLGizmoEmboss.cpp
index acd62e54df..af98e57bc4 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoEmboss.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoEmboss.cpp
@@ -1420,6 +1420,10 @@ static inline void execute_job(std::shared_ptr<Job> j)
 } // namespace priv
 #endif
 
+namespace priv {
+static bool is_text_empty(const std::string &text) { return text.empty() || text.find_first_not_of(" \n\t\r") == std::string::npos; }
+} // namespace priv
+
 bool GLGizmoEmboss::process()
 {
     // no volume is selected -> selection from right panel
@@ -1488,10 +1492,6 @@ bool GLGizmoEmboss::process()
     return true;
 }
 
-namespace priv {
-static bool is_text_empty(const std::string &text) { return text.empty() || text.find_first_not_of(" \n\t\r") == std::string::npos; }
-}
-
 void GLGizmoEmboss::close()
 {
     // remove volume when text is empty