diff --git a/src/PlatformUtils.cc b/src/PlatformUtils.cc
index 1615878e..b2162c8b 100644
--- a/src/PlatformUtils.cc
+++ b/src/PlatformUtils.cc
@@ -23,7 +23,7 @@ const char *PlatformUtils::OPENSCAD_FOLDER_NAME = "OpenSCAD";
 static std::string lookupResourcesPath()
 {
 	fs::path resourcedir(applicationpath);
-	PRINTDB("Looking up resource folder with application path '%s'", resourcedir.c_str());
+	PRINTDB("Looking up resource folder with application path '%s'", boosty::stringy(resourcedir).c_str());
 	
 #ifdef __APPLE__
 	const char *searchpath[] = {
@@ -57,11 +57,11 @@ static std::string lookupResourcesPath()
 	    tmpdir = resourcedir / searchpath[a];
 	    
 	    const fs::path checkdir = tmpdir / "libraries";
-	    PRINTDB("Checking '%s'", checkdir.c_str());
+	    PRINTDB("Checking '%s'", boosty::stringy(checkdir).c_str());
 
 	    if (is_directory(checkdir)) {
 		resourcedir = tmpdir;
-		PRINTDB("Found resource folder '%s'", tmpdir.c_str());
+		PRINTDB("Found resource folder '%s'", boosty::stringy(tmpdir).c_str());
 		break;
 	    }
 	}
diff --git a/src/colormap.cc b/src/colormap.cc
index 51868815..5196b481 100644
--- a/src/colormap.cc
+++ b/src/colormap.cc
@@ -67,7 +67,7 @@ RenderColorScheme::RenderColorScheme(fs::path path) : _path(path)
 	addColor(CGAL_EDGE_2D_COLOR, "cgal-edge-2d");
 	addColor(CROSSHAIR_COLOR, "crosshair");
     } catch (const std::exception & e) {
-	PRINTB("Error reading color scheme file '%s': %s", path.c_str() % e.what());
+			PRINTB("Error reading color scheme file '%s': %s", boosty::stringy(path).c_str() % e.what());
 	_error = e.what();
 	_name = "";
 	_index = 0;
@@ -261,7 +261,7 @@ void ColorMap::enumerateColorSchemesInPath(colorscheme_set_t &result_set, const
 {
     const fs::path color_schemes = basePath / "color-schemes" / "render";
 
-    PRINTDB("Enumerating color schemes from '%s'", color_schemes.string().c_str());
+    PRINTDB("Enumerating color schemes from '%s'", boosty::stringy(color_schemes).c_str());
     
     fs::directory_iterator end_iter;
     
@@ -272,7 +272,7 @@ void ColorMap::enumerateColorSchemesInPath(colorscheme_set_t &result_set, const
 	    }
 	    
 	    const fs::path path = (*dir_iter).path();
-	    if (!(path.extension().string() == ".json")) {
+	    if (!(path.extension() == ".json")) {
 		continue;
 	    }
 	    
diff --git a/src/scintillaeditor.cpp b/src/scintillaeditor.cpp
index 656465f1..b904123a 100644
--- a/src/scintillaeditor.cpp
+++ b/src/scintillaeditor.cpp
@@ -76,7 +76,7 @@ EditorColorScheme::EditorColorScheme(fs::path path) : path(path)
 		_name = QString(pt.get<std::string>("name").c_str());
 		_index = pt.get<int>("index");
 	} catch (const std::exception & e) {
-		PRINTB("Error reading color scheme file '%s': %s", path.c_str() % e.what());
+		PRINTB("Error reading color scheme file '%s': %s", boosty::stringy(path).c_str() % e.what());
 		_name = "";
 		_index = 0;
 	}
@@ -369,7 +369,7 @@ void ScintillaEditor::enumerateColorSchemesInPath(ScintillaEditor::colorscheme_s
 			}
 
 			const fs::path path = (*dir_iter).path();
-			if (!(path.extension().string() == ".json")) {
+			if (!(path.extension() == ".json")) {
 				continue;
 			}