diff --git a/src/slic3r/GUI/GLTexture.cpp b/src/slic3r/GUI/GLTexture.cpp
index f3421f150..516f8b934 100644
--- a/src/slic3r/GUI/GLTexture.cpp
+++ b/src/slic3r/GUI/GLTexture.cpp
@@ -27,10 +27,13 @@ namespace GUI {
 
 void GLTexture::Compressor::reset()
 {
-    // force compression completion, if any
-    m_abort_compressing = true;
-    // wait for compression completion, if any
-    while (m_is_compressing) {}
+    if (m_is_compressing)
+    {
+        // force compression completion, if any
+        m_abort_compressing = true;
+        // wait for compression completion, if any
+        while (m_is_compressing) {}
+    }
 
     m_levels.clear();
 }
@@ -42,8 +45,6 @@ void GLTexture::Compressor::add_level(unsigned int w, unsigned int h, const std:
 
 void GLTexture::Compressor::start_compressing()
 {
-    m_is_compressing = true;
-    m_abort_compressing = false;
     std::thread t(&GLTexture::Compressor::compress, this);
     t.detach();
 }
@@ -97,6 +98,9 @@ void GLTexture::Compressor::compress()
 {
     // reference: https://github.com/Cyan4973/RygsDXTc
 
+    m_is_compressing = true;
+    m_abort_compressing = false;
+
     for (Level& level : m_levels)
     {
         if (m_abort_compressing)
diff --git a/src/slic3r/GUI/GLTexture.hpp b/src/slic3r/GUI/GLTexture.hpp
index 7fc5b8fcf..ec362944d 100644
--- a/src/slic3r/GUI/GLTexture.hpp
+++ b/src/slic3r/GUI/GLTexture.hpp
@@ -32,6 +32,7 @@ namespace GUI {
 
         public:
             explicit Compressor(GLTexture& texture) : m_texture(texture), m_is_compressing(false), m_abort_compressing(false) {}
+            ~Compressor() { reset(); }
 
             void reset();