diff --git a/src/Core/Entities/PlanetEntity.h b/src/Core/Entities/PlanetEntity.h
index 962e9be1..7e180d29 100644
--- a/src/Core/Entities/PlanetEntity.h
+++ b/src/Core/Entities/PlanetEntity.h
@@ -60,7 +60,7 @@ typedef struct
 	int						r_seed[MAX_VERTICES_PER_ENTITY];
 	GLuint					displayListNames[MAX_SUBDIVIDE];
 	
-	BOOL					isTextureImage; // is the texture a png image (as opposed to synthesized)?
+	BOOL					isTextureImage;			// is the texture explicitly specified (as opposed to synthesized)?
 	NSString				*_textureFileName;
 	OOTexture				*_texture;
 	
diff --git a/src/Core/Entities/PlanetEntity.m b/src/Core/Entities/PlanetEntity.m
index 62da7e96..3130d6ea 100644
--- a/src/Core/Entities/PlanetEntity.m
+++ b/src/Core/Entities/PlanetEntity.m
@@ -205,6 +205,7 @@ static int baseVertexIndexForEdge(int va, int vb, BOOL textured);
 		
 		_texture = [self cloudTextureWithCloudColor:cloudColor cloudImpress:cloud_impress cloudBias:cloud_bias];
 		[_texture retain];
+		isTextureImage = NO;
 		
 		setRandomSeed(saved_seed);
 		RANROTSetFullSeed(ranrotSavedSeed);
@@ -533,6 +534,7 @@ static int baseVertexIndexForEdge(int va, int vb, BOOL textured);
 	if (procGen && _texture == nil)
 	{
 		_texture = [self planetTextureWithInfo:planetInfo];
+		isTextureImage = NO;
 		[_texture retain];
 	}
 #endif
@@ -1460,6 +1462,8 @@ static int baseVertexIndexForEdge(int va, int vb, BOOL textured)
 	
 	[_textureFileName release];
 	_textureFileName = [[configuration oo_stringForKey:@"name"] copy];
+	
+	isTextureImage = YES;
 }