diff --git a/images/sphere.png b/images/sphere.png
new file mode 100644
index 0000000000..5604d5d9df
Binary files /dev/null and b/images/sphere.png differ
diff --git a/interface.xcodeproj/project.pbxproj b/interface.xcodeproj/project.pbxproj
index 317a2fcca3..2e363eab4c 100644
--- a/interface.xcodeproj/project.pbxproj
+++ b/interface.xcodeproj/project.pbxproj
@@ -27,6 +27,7 @@
 		F68135691648830D003040E3 /* pngtest8rgba.png in CopyFiles */ = {isa = PBXBuildFile; fileRef = F681356816487A7F003040E3 /* pngtest8rgba.png */; };
 		F681356E16488470003040E3 /* philip-image.png in CopyFiles */ = {isa = PBXBuildFile; fileRef = F681356D1648846A003040E3 /* philip-image.png */; };
 		F681358B1648896D003040E3 /* lodepng.cpp in Sources */ = {isa = PBXBuildFile; fileRef = F681358A1648896D003040E3 /* lodepng.cpp */; };
+		F68135971649CF41003040E3 /* sphere.png in CopyFiles */ = {isa = PBXBuildFile; fileRef = F68135951649CF38003040E3 /* sphere.png */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXCopyFilesBuildPhase section */
@@ -36,6 +37,7 @@
 			dstPath = "";
 			dstSubfolderSpec = 16;
 			files = (
+				F68135971649CF41003040E3 /* sphere.png in CopyFiles */,
 				F681356E16488470003040E3 /* philip-image.png in CopyFiles */,
 				F68135691648830D003040E3 /* pngtest8rgba.png in CopyFiles */,
 			);
@@ -77,6 +79,7 @@
 		F681356D1648846A003040E3 /* philip-image.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "philip-image.png"; sourceTree = "<group>"; };
 		F681358A1648896D003040E3 /* lodepng.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = lodepng.cpp; sourceTree = "<group>"; };
 		F681358C16488978003040E3 /* lodepng.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = lodepng.h; sourceTree = "<group>"; };
+		F68135951649CF38003040E3 /* sphere.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = sphere.png; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -171,6 +174,7 @@
 		F681356716487A7F003040E3 /* images */ = {
 			isa = PBXGroup;
 			children = (
+				F68135951649CF38003040E3 /* sphere.png */,
 				F681356D1648846A003040E3 /* philip-image.png */,
 				F681356816487A7F003040E3 /* pngtest8rgba.png */,
 			);
diff --git a/main.cpp b/main.cpp
index 2134f2a60c..d0f58d68a9 100644
--- a/main.cpp
+++ b/main.cpp
@@ -606,7 +606,7 @@ void display(void)
          but texture origin is at upper left
          => it has to be mirrored  */
     
-        char texture_filename[] = "pngtest8rgba.png";
+        char texture_filename[] = "sphere.png";
         unsigned int texture_width = 91;
         unsigned int texture_height = 69;