1 files changed, 8 insertions, 8 deletions
diff --git a/src/parseTools.js b/src/parseTools.js
index 7d90e246..8b30554d 100644
--- a/src/parseTools.js
+++ b/src/parseTools.js
@@ -494,14 +494,14 @@ function getLabelIds(labels) {
 function getNativeFieldSize(field, alone) {
   if (QUANTUM_SIZE == 1) return 1;
   var size = {
-    'i1': 1,
-    'i8': 1,
-    'i16': 2,
-    'i32': 4,
-    'i64': 8,
-    'float': 4,
-    'double':8
-  }[field];
+    '_i1': 1,
+    '_i8': 1,
+    '_i16': 2,
+    '_i32': 4,
+    '_i64': 8,
+    "_float": 4,
+    "_double": 8
+  }['_'+field]; // add '_' since float&double confuse closure compiler as keys
   if (!size) {
     size = QUANTUM_SIZE; // A pointer
   }