diff --git a/setup.py b/setup.py
index 363b86bc3b975129eaff344ec3f8e0d33a7bf8a6..88e9401c2bd72ccc7359a186f794ea59ac73d36f 100644
--- a/setup.py
+++ b/setup.py
@@ -51,9 +51,9 @@ setup(name="sumpy",
           "boxtree>=2013.1",
           "pytest>=2.3",
 
-          # FIXME leave out for now
+          # If this causes issues, see:
           # https://code.google.com/p/sympy/issues/detail?id=3874
-          #"sympy>=0.7.2",
+          "sympy>=0.7.2",
           ],