diff --git a/scheme/cyclone/transforms.sld b/scheme/cyclone/transforms.sld
index 2326a037..9b9e4085 100644
--- a/scheme/cyclone/transforms.sld
+++ b/scheme/cyclone/transforms.sld
@@ -1353,6 +1353,19 @@ if (acc) {
           ((and (app? ast)
                 (lambda? (app->fun ast))
                 (equal? 'args:fixed-with-varargs (lambda-formals-type (app->fun ast))))
+           (let ((lam-min-num-args (lambda-num-args (app->fun ast)))
+                 (num-args (length (app->args ast)))
+                 (ltype (lambda-formals-type (app->fun ast))))
+            (cond
+             ((< num-args lam-min-num-args)
+              (error 
+                (string-append
+                  "Not enough arguments passed to anonymous lambda. "
+                  "Expected "
+                  (number->string lam-min-num-args)
+                  " but received "
+                  (number->string num-args))
+                (app->fun ast)))))
            (let* ((fn (app->fun ast))
                   (formals (lambda->formals fn))
                   (formals-lis (pair->list formals)) ;; Formals as proper list
@@ -1399,8 +1412,7 @@ if (acc) {
                       "Expected "
                       (number->string lam-min-num-args)
                       " but received "
-                      (number->string num-args) 
-                      ":")
+                      (number->string num-args))
                     fn))
                  ((and (> num-args lam-min-num-args)
                        (equal? 'args:fixed ltype))
@@ -1410,8 +1422,7 @@ if (acc) {
                       "Expected "
                       (number->string lam-min-num-args)
                       " but received "
-                      (number->string num-args)
-                      ":")
+                      (number->string num-args))
                     fn)))
                 ;; Do conversion
                 (cps-list (app->args ast)