diff --git a/radiant/ui/colourscheme/ColourSchemeEditor.cpp b/radiant/ui/colourscheme/ColourSchemeEditor.cpp
index 4ea5df9153..b7a0b711c1 100644
--- a/radiant/ui/colourscheme/ColourSchemeEditor.cpp
+++ b/radiant/ui/colourscheme/ColourSchemeEditor.cpp
@@ -135,7 +135,7 @@ void ColourSchemeEditor::selectActiveScheme()
 {
     // Find a row matching the active colour scheme name
     wxString name = GlobalColourSchemeManager().getActiveScheme().getName();
-    unsigned r = 0;
+    int r = 0;
     for ( ; r < _schemeList->GetItemCount(); ++r)
     {
         wxString rowName = _schemeList->GetTextValue(r, 0);
diff --git a/radiantcore/grid/GridManager.cpp b/radiantcore/grid/GridManager.cpp
index e1cef7fd40..c1fa171f30 100644
--- a/radiantcore/grid/GridManager.cpp
+++ b/radiantcore/grid/GridManager.cpp
@@ -227,7 +227,7 @@ void GridManager::setGridSize(GridSize gridSize)
 
 float GridManager::getGridSize() const
 {
-	return pow(2.0f, static_cast<int>(_activeGridSize));
+	return pow(2.0f, static_cast<float>(_activeGridSize));
 }
 
 int GridManager::getGridPower() const 
diff --git a/radiantcore/map/format/primitiveparsers/BrushDef.cpp b/radiantcore/map/format/primitiveparsers/BrushDef.cpp
index 717be50a16..fc25f41c6f 100644
--- a/radiantcore/map/format/primitiveparsers/BrushDef.cpp
+++ b/radiantcore/map/format/primitiveparsers/BrushDef.cpp
@@ -250,8 +250,8 @@ Matrix4 LegacyBrushDefParser::getTexDef(std::string shader, float shiftS, float
 	TexturePtr texture = GlobalMaterialManager().getMaterial( shader )->getEditorImage();
 
 	if (texture) {
-		image_width = texture->getWidth();
-		image_height = texture->getHeight();
+		image_width = static_cast<float>(texture->getWidth());
+		image_height = static_cast<float>(texture->getHeight());
 	}
 
 	if (image_width == 0 || image_height == 0) {