diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 37ec7e9093d..6b6df16b835 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -7714,7 +7714,7 @@ static BOOL arbfp_blit_supported(enum wined3d_blit_op blit_op, const struct wine
             return FALSE;
     }
 
-    decompress = src_format && (src_format->flags[WINED3D_GL_RES_TYPE_TEX_2D] & WINED3DFMT_FLAG_COMPRESSED)
+    decompress = (src_format->flags[WINED3D_GL_RES_TYPE_TEX_2D] & WINED3DFMT_FLAG_COMPRESSED)
             && !(dst_format->flags[WINED3D_GL_RES_TYPE_TEX_2D] & WINED3DFMT_FLAG_COMPRESSED);
     if (!decompress && !(src_resource->access & dst_resource->access & WINED3D_RESOURCE_ACCESS_GPU))
         return FALSE;