diff --git a/Extensions/GUI/Source/GUI.cpp b/Extensions/GUI/Source/GUI.cpp
index aa9a2a1..eab4f80 100644
--- a/Extensions/GUI/Source/GUI.cpp
+++ b/Extensions/GUI/Source/GUI.cpp
@@ -531,23 +531,23 @@ namespace Horde3DGUI
 		texcoords[3] = quad->texcoords[3] * (1.0f - clippedbottom) + quad->texcoords[1] * clippedbottom;
 		// Create vertex data
 		float vertices[20];
-		vertices[0] = (float)clippedrect.lowerright[0] / width * 2.0 - 1;
-		vertices[1] = -(float)clippedrect.upperleft[1] / height * 2.0 + 1;
+		vertices[0] = (float)clippedrect.lowerright[0] / width * 2.0f - 1;
+		vertices[1] = -(float)clippedrect.upperleft[1] / height * 2.0f + 1;
 		vertices[2] = 0.0f;
 		vertices[3] = texcoords[2];
 		vertices[4] = texcoords[1];
-		vertices[5] = (float)clippedrect.upperleft[0] / width * 2.0 - 1;
-		vertices[6] = -(float)clippedrect.upperleft[1] / height * 2.0 + 1;
+		vertices[5] = (float)clippedrect.upperleft[0] / width * 2.0f - 1;
+		vertices[6] = -(float)clippedrect.upperleft[1] / height * 2.0f + 1;
 		vertices[7] = 0.0f;
 		vertices[8] = texcoords[0];
 		vertices[9] = texcoords[1];
-		vertices[10] = (float)clippedrect.upperleft[0] / width * 2.0 - 1;
-		vertices[11] = -(float)clippedrect.lowerright[1] / height * 2.0 + 1;
+		vertices[10] = (float)clippedrect.upperleft[0] / width * 2.0f - 1;
+		vertices[11] = -(float)clippedrect.lowerright[1] / height * 2.0f + 1;
 		vertices[12] = 0.0f;
 		vertices[13] = texcoords[0];
 		vertices[14] = texcoords[3];
-		vertices[15] = (float)clippedrect.lowerright[0] / width * 2.0 - 1;
-		vertices[16] = -(float)clippedrect.lowerright[1] / height * 2.0 + 1;
+		vertices[15] = (float)clippedrect.lowerright[0] / width * 2.0f - 1;
+		vertices[16] = -(float)clippedrect.lowerright[1] / height * 2.0f + 1;
 		vertices[17] = 0.0f;
 		vertices[18] = texcoords[2];
 		vertices[19] = texcoords[3];
diff --git a/Extensions/GUI/Source/GUIElement.cpp b/Extensions/GUI/Source/GUIElement.cpp
index c51f00d..0c48dbc 100644
--- a/Extensions/GUI/Source/GUIElement.cpp
+++ b/Extensions/GUI/Source/GUIElement.cpp
@@ -163,7 +163,7 @@ namespace Horde3DGUI
 				actionid = value;
 				return;
 			case GUIElementParam::ShowBackgroundI:
-				showbackground = value;
+				showbackground = value != 0;
 				getGUI()->setDirty(true);
 				return;
 			default: