diff --git a/tfjs-converter/src/data/compiled_api.ts b/tfjs-converter/src/data/compiled_api.ts
index d5d0b4f1786..4fa5fe885b9 100644
--- a/tfjs-converter/src/data/compiled_api.ts
+++ b/tfjs-converter/src/data/compiled_api.ts
@@ -29,61 +29,65 @@ export declare interface IAny {
 
 /** DataType enum. */
 export enum DataType {
+  // These properties must be quoted since they are used by parseDtypeParam
+  // in tfjs-converter/src/operations/operation_mapper.ts to look up dtypes
+  // by string name. If they are not quoted, Closure will mangle their names.
+
   // Not a legal value for DataType.  Used to indicate a DataType field
   // has not been set.
-  DT_INVALID = 0,
+  'DT_INVALID' = 0,
 
   // Data types that all computation devices are expected to be
   // capable to support.
-  DT_FLOAT = 1,
-  DT_DOUBLE = 2,
-  DT_INT32 = 3,
-  DT_UINT8 = 4,
-  DT_INT16 = 5,
-  DT_INT8 = 6,
-  DT_STRING = 7,
-  DT_COMPLEX64 = 8,  // Single-precision complex
-  DT_INT64 = 9,
-  DT_BOOL = 10,
-  DT_QINT8 = 11,     // Quantized int8
-  DT_QUINT8 = 12,    // Quantized uint8
-  DT_QINT32 = 13,    // Quantized int32
-  DT_BFLOAT16 = 14,  // Float32 truncated to 16 bits.  Only for cast ops.
-  DT_QINT16 = 15,    // Quantized int16
-  DT_QUINT16 = 16,   // Quantized uint16
-  DT_UINT16 = 17,
-  DT_COMPLEX128 = 18,  // Double-precision complex
-  DT_HALF = 19,
-  DT_RESOURCE = 20,
-  DT_VARIANT = 21,  // Arbitrary C++ data types
-  DT_UINT32 = 22,
-  DT_UINT64 = 23,
+  'DT_FLOAT' = 1,
+  'DT_DOUBLE' = 2,
+  'DT_INT32' = 3,
+  'DT_UINT8' = 4,
+  'DT_INT16' = 5,
+  'DT_INT8' = 6,
+  'DT_STRING' = 7,
+  'DT_COMPLEX64' = 8,  // Single-precision complex
+  'DT_INT64' = 9,
+  'DT_BOOL' = 10,
+  'DT_QINT8' = 11,     // Quantized int8
+  'DT_QUINT8' = 12,    // Quantized uint8
+  'DT_QINT32' = 13,    // Quantized int32
+  'DT_BFLOAT16' = 14,  // Float32 truncated to 16 bits.  Only for cast ops.
+  'DT_QINT16' = 15,    // Quantized int16
+  'DT_QUINT16' = 16,   // Quantized uint16
+  'DT_UINT16' = 17,
+  'DT_COMPLEX128' = 18,  // Double-precision complex
+  'DT_HALF' = 19,
+  'DT_RESOURCE' = 20,
+  'DT_VARIANT' = 21,  // Arbitrary C++ data types
+  'DT_UINT32' = 22,
+  'DT_UINT64' = 23,
 
   // Do not use!  These are only for parameters.  Every enum above
   // should have a corresponding value below (verified by types_test).
-  DT_FLOAT_REF = 101,
-  DT_DOUBLE_REF = 102,
-  DT_INT32_REF = 103,
-  DT_UINT8_REF = 104,
-  DT_INT16_REF = 105,
-  DT_INT8_REF = 106,
-  DT_STRING_REF = 107,
-  DT_COMPLEX64_REF = 108,
-  DT_INT64_REF = 109,
-  DT_BOOL_REF = 110,
-  DT_QINT8_REF = 111,
-  DT_QUINT8_REF = 112,
-  DT_QINT32_REF = 113,
-  DT_BFLOAT16_REF = 114,
-  DT_QINT16_REF = 115,
-  DT_QUINT16_REF = 116,
-  DT_UINT16_REF = 117,
-  DT_COMPLEX128_REF = 118,
-  DT_HALF_REF = 119,
-  DT_RESOURCE_REF = 120,
-  DT_VARIANT_REF = 121,
-  DT_UINT32_REF = 122,
-  DT_UINT64_REF = 123,
+  'DT_FLOAT_REF' = 101,
+  'DT_DOUBLE_REF' = 102,
+  'DT_INT32_REF' = 103,
+  'DT_UINT8_REF' = 104,
+  'DT_INT16_REF' = 105,
+  'DT_INT8_REF' = 106,
+  'DT_STRING_REF' = 107,
+  'DT_COMPLEX64_REF' = 108,
+  'DT_INT64_REF' = 109,
+  'DT_BOOL_REF' = 110,
+  'DT_QINT8_REF' = 111,
+  'DT_QUINT8_REF' = 112,
+  'DT_QINT32_REF' = 113,
+  'DT_BFLOAT16_REF' = 114,
+  'DT_QINT16_REF' = 115,
+  'DT_QUINT16_REF' = 116,
+  'DT_UINT16_REF' = 117,
+  'DT_COMPLEX128_REF' = 118,
+  'DT_HALF_REF' = 119,
+  'DT_RESOURCE_REF' = 120,
+  'DT_VARIANT_REF' = 121,
+  'DT_UINT32_REF' = 122,
+  'DT_UINT64_REF' = 123,
 }
 
 /** Properties of a TensorShape. */