diff --git a/espanso-modulo/src/sys/form/form.cpp b/espanso-modulo/src/sys/form/form.cpp
index 120c053..722cd6b 100644
--- a/espanso-modulo/src/sys/form/form.cpp
+++ b/espanso-modulo/src/sys/form/form.cpp
@@ -102,8 +102,8 @@ enum
 
 bool FormApp::OnInit()
 {
-    FormFrame *frame = new FormFrame(formMetadata->windowTitle, wxPoint(50, 50), wxSize(450, 340) );
-    setFrameIcon(formMetadata->iconPath, frame);
+    FormFrame *frame = new FormFrame(wxString::FromUTF8(formMetadata->windowTitle), wxPoint(50, 50), wxSize(450, 340) );
+    setFrameIcon(wxString::FromUTF8(formMetadata->iconPath), frame);
     frame->Show( true );
     
     Activate(frame);
diff --git a/espanso-modulo/src/sys/search/search.cpp b/espanso-modulo/src/sys/search/search.cpp
index b514e95..0e16d13 100644
--- a/espanso-modulo/src/sys/search/search.cpp
+++ b/espanso-modulo/src/sys/search/search.cpp
@@ -166,7 +166,7 @@ private:
 
 bool SearchApp::OnInit()
 {
-    SearchFrame *frame = new SearchFrame(searchMetadata->windowTitle, wxPoint(50, 50), wxSize(450, 340));
+    SearchFrame *frame = new SearchFrame(wxString::FromUTF8(searchMetadata->windowTitle), wxPoint(50, 50), wxSize(450, 340));
     frame->Show(true);
     SetupWindowStyle(frame);
     Activate(frame);
@@ -198,7 +198,7 @@ SearchFrame::SearchFrame(const wxString &title, const wxPoint &pos, const wxSize
     iconPanel = nullptr;
     if (searchMetadata->iconPath)
     {
-        wxString iconPath = wxString(searchMetadata->iconPath);
+        wxString iconPath = wxString::FromUTF8(searchMetadata->iconPath);
         if (wxFileExists(iconPath))
         {
             wxBitmap bitmap = wxBitmap(iconPath, wxBITMAP_TYPE_PNG);
diff --git a/espanso-modulo/src/sys/troubleshooting/troubleshooting.cpp b/espanso-modulo/src/sys/troubleshooting/troubleshooting.cpp
index f34bd75..ace30b4 100644
--- a/espanso-modulo/src/sys/troubleshooting/troubleshooting.cpp
+++ b/espanso-modulo/src/sys/troubleshooting/troubleshooting.cpp
@@ -81,7 +81,7 @@ public:
       if (error_set_metadata->errors[i].level == ERROR_METADATA_LEVEL_WARNING) {
         level = wxT("WARNING");
       }
-      wxString error_text = wxString::Format(wxT("[%s] %s\n"), level, error_set_metadata->errors[i].message);
+      wxString error_text = wxString::Format(wxT("[%s] %s\n"), level, wxString::FromUTF8(error_set_metadata->errors[i].message));
       errors_text.Append(error_text);
     }
 
@@ -171,7 +171,7 @@ bool TroubleshootingApp::OnInit()
 
   if (troubleshooting_metadata->window_icon_path)
   {
-    setFrameIcon(troubleshooting_metadata->window_icon_path, frame);
+    setFrameIcon(wxString::FromUTF8(troubleshooting_metadata->window_icon_path), frame);
   }
 
   frame->Show(true);
diff --git a/espanso-modulo/src/sys/welcome/welcome.cpp b/espanso-modulo/src/sys/welcome/welcome.cpp
index d6c0201..26d85bf 100644
--- a/espanso-modulo/src/sys/welcome/welcome.cpp
+++ b/espanso-modulo/src/sys/welcome/welcome.cpp
@@ -54,7 +54,7 @@ DerivedWelcomeFrame::DerivedWelcomeFrame(wxWindow *parent)
 
   if (welcome_metadata->tray_image_path)
   {
-    wxBitmap trayBitmap = wxBitmap(welcome_metadata->tray_image_path, wxBITMAP_TYPE_PNG);
+    wxBitmap trayBitmap = wxBitmap(wxString::FromUTF8(welcome_metadata->tray_image_path), wxBITMAP_TYPE_PNG);
     this->tray_bitmap->SetBitmap(trayBitmap);
     #ifdef __WXOSX__
       this->tray_info_label->SetLabel("You should see the espanso icon on the status bar:");
@@ -91,7 +91,7 @@ bool WelcomeApp::OnInit()
 
   if (welcome_metadata->window_icon_path)
   {
-    setFrameIcon(welcome_metadata->window_icon_path, frame);
+    setFrameIcon(wxString::FromUTF8(welcome_metadata->window_icon_path), frame);
   }
 
   frame->Show(true);
diff --git a/espanso-modulo/src/sys/wizard/wizard.cpp b/espanso-modulo/src/sys/wizard/wizard.cpp
index 5b9de10..a4b94cf 100644
--- a/espanso-modulo/src/sys/wizard/wizard.cpp
+++ b/espanso-modulo/src/sys/wizard/wizard.cpp
@@ -130,7 +130,7 @@ DerivedFrame::DerivedFrame(wxWindow *parent)
 
   if (wizard_metadata->welcome_image_path)
   {
-    wxBitmap welcomeBitmap = wxBitmap(wizard_metadata->welcome_image_path, wxBITMAP_TYPE_PNG);
+    wxBitmap welcomeBitmap = wxBitmap(wxString::FromUTF8(wizard_metadata->welcome_image_path), wxBITMAP_TYPE_PNG);
     this->welcome_image->SetBitmap(welcomeBitmap);
   }
 
@@ -140,12 +140,12 @@ DerivedFrame::DerivedFrame(wxWindow *parent)
 
   if (wizard_metadata->accessibility_image_1_path)
   {
-    wxBitmap accessiblityImage1 = wxBitmap(wizard_metadata->accessibility_image_1_path, wxBITMAP_TYPE_PNG);
+    wxBitmap accessiblityImage1 = wxBitmap(wxString::FromUTF8(wizard_metadata->accessibility_image_1_path), wxBITMAP_TYPE_PNG);
     this->accessibility_image1->SetBitmap(accessiblityImage1);
   }
   if (wizard_metadata->accessibility_image_2_path)
   {
-    wxBitmap accessiblityImage2 = wxBitmap(wizard_metadata->accessibility_image_2_path, wxBITMAP_TYPE_PNG);
+    wxBitmap accessiblityImage2 = wxBitmap(wxString::FromUTF8(wizard_metadata->accessibility_image_2_path), wxBITMAP_TYPE_PNG);
     this->accessibility_image2->SetBitmap(accessiblityImage2);
   }
 
@@ -380,7 +380,7 @@ bool WizardApp::OnInit()
 
   if (wizard_metadata->window_icon_path)
   {
-    setFrameIcon(wizard_metadata->window_icon_path, frame);
+    setFrameIcon(wxString::FromUTF8(wizard_metadata->window_icon_path), frame);
   }
 
   frame->Show(true);