diff --git a/src/gl/gl3pipe.cpp b/src/gl/gl3pipe.cpp
index 13919cd..8ba7b29 100644
--- a/src/gl/gl3pipe.cpp
+++ b/src/gl/gl3pipe.cpp
@@ -187,9 +187,9 @@ defaultInstanceCB(Geometry *geo, InstanceDataHeader *header, bool32 reinstance)
 			a->type = GL_FLOAT;
 			a->normalized = GL_FALSE;
 			a->offset = stride;
-			stride += 12;
 			a++;
 		}
+		stride += 12;
 
 		// Prelighting
 		if(isPrelit){
@@ -198,9 +198,9 @@ defaultInstanceCB(Geometry *geo, InstanceDataHeader *header, bool32 reinstance)
 			a->type = GL_UNSIGNED_BYTE;
 			a->normalized = GL_TRUE;
 			a->offset = stride;
-			stride += 4;
 			a++;
 		}
+		stride += 4;
 
 		// Texture coordinates
 		for(int32 n = 0; n < geo->numTexCoordSets; n++){
diff --git a/src/gl/gl3skin.cpp b/src/gl/gl3skin.cpp
index 134cb76..85efe32 100644
--- a/src/gl/gl3skin.cpp
+++ b/src/gl/gl3skin.cpp
@@ -18,8 +18,6 @@
 
 #include "rwgl3impl.h"
 
-extern float *gVertexBuffer;
-
 namespace rw {
 namespace gl3 {
 
@@ -65,10 +63,10 @@ skinInstanceCB(Geometry *geo, InstanceDataHeader *header, bool32 reinstance)
 			a->type = GL_FLOAT;
 			a->normalized = GL_FALSE;
 			a->offset = stride;
-			stride += 12;
 			a++;
 		}
-
+		stride += 12;
+		
 		// Prelighting
 		if(isPrelit){
 			a->index = ATTRIB_COLOR;
@@ -76,9 +74,9 @@ skinInstanceCB(Geometry *geo, InstanceDataHeader *header, bool32 reinstance)
 			a->type = GL_UNSIGNED_BYTE;
 			a->normalized = GL_TRUE;
 			a->offset = stride;
-			stride += 4;
 			a++;
 		}
+		stride += 4;
 
 		// Texture coordinates
 		for(int32 n = 0; n < geo->numTexCoordSets; n++){