diff --git a/src/shader/vertex.vert b/src/shader/vertex.vert
index 9d270e4..0a24b7d 100644
--- a/src/shader/vertex.vert
+++ b/src/shader/vertex.vert
@@ -6,8 +6,8 @@ in vec2 tex_pos;
 in vec3 pos;
 in vec4 color;
 
-varying out vec2 f_tex_pos;
-varying out vec4 f_color;
+varying vec2 f_tex_pos;
+varying vec4 f_color;
 
 // pass through positional data based
 void main() {