diff --git a/examples/shaders/resources/shaders/glsl100/pbr.vs b/examples/shaders/resources/shaders/glsl100/pbr.vs
index 3fa651f7..87e142e0 100644
--- a/examples/shaders/resources/shaders/glsl100/pbr.vs
+++ b/examples/shaders/resources/shaders/glsl100/pbr.vs
@@ -1,11 +1,11 @@
 #version 100
 
 // Input vertex attributes
-attribute  vec3 vertexPosition;
-attribute  vec2 vertexTexCoord;
-attribute  vec3 vertexNormal;
-attribute  vec3 vertexTangent;
-attribute  vec4 vertexColor;
+attribute vec3 vertexPosition;
+attribute vec2 vertexTexCoord;
+attribute vec3 vertexNormal;
+attribute vec3 vertexTangent;
+attribute vec4 vertexColor;
 
 // Input uniform values
 uniform mat4 mvp;
@@ -72,4 +72,4 @@ void main()
 
     // Calculate final vertex position
     gl_Position = mvp * vec4(vertexPosition, 1.0);
-}
\ No newline at end of file
+}