diff --git a/R/call.R b/R/call.R
index c074d048b..1b0b4d7ed 100644
--- a/R/call.R
+++ b/R/call.R
@@ -67,13 +67,10 @@ renv_call_matches <- function(call, names, nargs = NULL) {
 
   ok <- FALSE
   
-  if (is.call(call)) {
-    if (is.symbol(sym <- call[[1L]])) {
-      if (any(names == as.character(sym))) {
-        ok <- is.null(nargs) || length(call) == nargs + 1L
-      }
-    }
-  }
+  if (is.call(call) &&
+      is.symbol(sym <- call[[1L]]) &&
+      any(names == as.character(sym)))
+    ok <- is.null(nargs) || length(call) == nargs + 1L
   
   ok
   
diff --git a/R/dependencies.R b/R/dependencies.R
index 32c6da04e..8d32c1252 100644
--- a/R/dependencies.R
+++ b/R/dependencies.R
@@ -1898,7 +1898,7 @@ renv_dependencies_recurse_impl <- function(stack, object, callback, ...) {
   # recurse
   if (is.recursive(object))
     for (i in seq_along(object))
-      if (!is.symbol(object[[i]]))
+      if (is.call(object[[i]]))
         renv_dependencies_recurse_impl(stack, object[[i]], callback, ...)
   
 }