diff --git a/test/Tree/Eval/Positive.hs b/test/Tree/Eval/Positive.hs
index 3f6ad1aca4..6026e3a577 100644
--- a/test/Tree/Eval/Positive.hs
+++ b/test/Tree/Eval/Positive.hs
@@ -244,5 +244,10 @@ tests =
       "Test041: Type unification"
       $(mkRelDir ".")
       $(mkRelFile "test041.jvt")
-      $(mkRelFile "out/test041.out")
+      $(mkRelFile "out/test041.out"),
+    PosTest
+      "Test042: Uncurried function type unification"
+      $(mkRelDir ".")
+      $(mkRelFile "test042.jvt")
+      $(mkRelFile "out/test042.out")
   ]
diff --git a/tests/Tree/positive/out/test042.out b/tests/Tree/positive/out/test042.out
new file mode 100644
index 0000000000..27ba77ddaf
--- /dev/null
+++ b/tests/Tree/positive/out/test042.out
@@ -0,0 +1 @@
+true
diff --git a/tests/Tree/positive/test042.jvt b/tests/Tree/positive/test042.jvt
new file mode 100644
index 0000000000..d591d9f053
--- /dev/null
+++ b/tests/Tree/positive/test042.jvt
@@ -0,0 +1,25 @@
+type Eq {
+  mkEq : ((*, *) → bool) → Eq;
+}
+
+function lambda_app(f : (*, *) → bool, a : *, b : *) : bool {
+  ccall(f, a, b)
+}
+
+function spec(Eq) : Eq {
+  alloc[mkEq](calloc[lambda_app](case[Eq](arg[0]) {
+    mkEq: save {
+      tmp[0].mkEq[0]
+    }
+  }))
+}
+
+function cmp(integer, integer) : bool {
+  lt(arg[0], arg[1])
+}
+
+function main() : bool {
+  save(call[spec](alloc[mkEq](calloc[cmp]()))) {
+    ccall(tmp[0].mkEq[0], 1, 2)
+  }
+}