diff --git a/src/r_patch.c b/src/r_patch.c
index 9b1e7d1b8..c78ffdd67 100644
--- a/src/r_patch.c
+++ b/src/r_patch.c
@@ -77,7 +77,7 @@ static void Patch_FreeData(patch_t *patch)
 	for (i = 0; i < 2; i++)
 	{
 		if (patch->flats[i])
-			Patch_Free(patch->flats[i]);
+			Z_Free(patch->flats[i]);
 	}
 
 #ifdef ROTSPRITE