diff --git a/renderdoc/driver/gl/gl_common.cpp b/renderdoc/driver/gl/gl_common.cpp
index 8e7b26e39..6c93520d9 100644
--- a/renderdoc/driver/gl/gl_common.cpp
+++ b/renderdoc/driver/gl/gl_common.cpp
@@ -930,6 +930,7 @@ size_t GLTypeSize(GLenum type)
     case eGL_UNSIGNED_BYTE:
     case eGL_BYTE: return 1;
     case eGL_UNSIGNED_SHORT:
+    case eGL_UNSIGNED_SHORT_5_6_5:
     case eGL_SHORT:
     case eGL_HALF_FLOAT_OES:
     case eGL_HALF_FLOAT: return 2;