diff --git a/GL/texture.c b/GL/texture.c
index dad65e6..ec90bae 100644
--- a/GL/texture.c
+++ b/GL/texture.c
@@ -1905,8 +1905,7 @@ void APIENTRY glTexParameteri(GLenum target, GLenum pname, GLint param) {
                         break;
 
                     case GL_MIRRORED_REPEAT:
-                        active->uv_wrap &= ~CLAMP_U;
-                        active->uv_wrap |= MIRROR_U;
+                        active->uv_wrap |= (CLAMP_U & MIRROR_U);
                         break;
                 }
 
@@ -1924,8 +1923,7 @@ void APIENTRY glTexParameteri(GLenum target, GLenum pname, GLint param) {
                         break;
 
                     case GL_MIRRORED_REPEAT:
-                        active->uv_wrap &= ~CLAMP_V;
-                        active->uv_wrap |= MIRROR_V;
+                        active->uv_wrap |= (CLAMP_V & MIRROR_V);
                         break;
                 }