diff --git a/include/render.h b/include/render.h
index 84a246c..f61b764 100644
--- a/include/render.h
+++ b/include/render.h
@@ -39,6 +39,7 @@ struct renderer {
 
 	struct {
 		GLuint program;
+		GLint u_tex;
 	} shader;
 };
 
diff --git a/src/render.c b/src/render.c
index e29e9f5..ba37d36 100644
--- a/src/render.c
+++ b/src/render.c
@@ -411,6 +411,8 @@ int renderer_init(struct renderer* self, uint32_t width, uint32_t height,
 		break;
 	}
 
+	self->shader.u_tex = glGetUniformLocation(self->shader.program, "u_tex");
+
 	self->width = width;
 	self->height = height;
 	glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &self->read_format);
@@ -485,7 +487,7 @@ int render_dmabuf_frame(struct renderer* self, struct dmabuf_frame* frame)
 	glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, image);
 
 	glUseProgram(self->shader.program);
-	glUniform1i(glGetUniformLocation(self->shader.program, "u_tex"), 0);
+	glUniform1i(self->shader.u_tex, 0);
 	gl_render();
 
 	glBindTexture(GL_TEXTURE_2D, 0);
@@ -514,7 +516,7 @@ int render_framebuffer(struct renderer* self, const void* addr, uint32_t format,
 	glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
 
 	glUseProgram(self->shader.program);
-	glUniform1i(glGetUniformLocation(self->shader.program, "u_tex"), 0);
+	glUniform1i(self->shader.u_tex, 0);
 	gl_render();
 
 	glBindTexture(GL_TEXTURE_2D, 0);