diff --git a/CHANGES.txt b/CHANGES.txt
index f4225ba..cfa4493 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -119,6 +119,8 @@
 
 BUG FIXES
 
+PIG-3772: Syntax error when casting an inner schema of a bag and line break involved (ssvinarchukhorton via knoguchi)
+
 PIG-4892: removing /tmp/output before UT (daijy)
 
 PIG-4882: Remove hardcoded groovy.grape.report.downloads=true from DownloadResolver (erwaman via daijy)
diff --git a/src/org/apache/pig/tools/pigscript/parser/PigScriptParser.jj b/src/org/apache/pig/tools/pigscript/parser/PigScriptParser.jj
index 85537e9..af882ea 100644
--- a/src/org/apache/pig/tools/pigscript/parser/PigScriptParser.jj
+++ b/src/org/apache/pig/tools/pigscript/parser/PigScriptParser.jj
@@ -267,7 +267,7 @@
 	<"'"> {prevState = PIG_START;} : IN_STRING
 |	<"`"> {prevState = PIG_START;} : IN_COMMAND
 |	<(" " | "\t")+["A","a"]["S","s"](" " | "\t")+ > {prevState = PIG_START;} : SCHEMA_DEFINITION
-|   <(" " | "\t")+["G","g"]["E","e"]["N","n"]["E","e"]["R","r"]["A","a"]["T","t"]["E","e"](" " | "\t")+ > {prevState = PIG_START;} : GENERATE
+|   <(" " | "\t")+["G","g"]["E","e"]["N","n"]["E","e"]["R","r"]["A","a"]["T","t"]["E","e"](" " | "\t" | "\r" | "\n")+ > {prevState = PIG_START;} : GENERATE
 |       <"{"> {pigBlockLevel = 1;} : IN_BLOCK
 |       <"}"> {if (true) throw new TokenMgrError("Unmatched '}'", TokenMgrError.LEXICAL_ERROR);}
 |       <";"> : PIG_END
@@ -395,7 +395,7 @@
 {
 	<"\""> {prevState = IN_BLOCK;} : IN_DOUBLE_QUOTED_STRING
 |	<(" " | "\t")+["A","a"]["S","s"](" " | "\t")+ > {prevState = IN_BLOCK;} : SCHEMA_DEFINITION
-|   <(" " | "\t")+["G","g"]["E","e"]["N","n"]["E","e"]["R","r"]["A","a"]["T","t"]["E","e"](" " | "\t")+> {prevState = IN_BLOCK;} : GENERATE
+|   <(" " | "\t")+["G","g"]["E","e"]["N","n"]["E","e"]["R","r"]["A","a"]["T","t"]["E","e"](" " | "\t" | "\r" | "\n")+> {prevState = IN_BLOCK;} : GENERATE
 |	<"{"> {pigBlockLevel++;}
 |       <"}"(";")?> {pigBlockLevel--; if (pigBlockLevel == 0) SwitchTo(PIG_END);}
 |	<"'"> {prevState = IN_BLOCK;} : IN_STRING
diff --git a/test/org/apache/pig/TestMain.java b/test/org/apache/pig/TestMain.java
index e1c8111..daae526 100644
--- a/test/org/apache/pig/TestMain.java
+++ b/test/org/apache/pig/TestMain.java
@@ -24,8 +24,10 @@
 import static org.junit.Assert.fail;
 
 import java.io.BufferedWriter;
+import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileWriter;
+import java.io.FileReader;
 import java.io.IOException;
 import java.util.Properties;
 
@@ -35,6 +37,7 @@
 import org.apache.pig.parser.ParserException;
 import org.apache.pig.parser.SourceLocation;
 import org.apache.pig.test.TestPigRunner.TestNotificationListener;
+import org.apache.pig.test.Util;
 import org.apache.pig.tools.parameters.ParameterSubstitutionException;
 import org.apache.pig.tools.pigstats.PigStats;
 import org.junit.Test;
@@ -152,6 +155,35 @@
     }
 
 
+    @Test
+    public void testParseInputScript() throws Exception {
+        File input = Util.createInputFile("tmp", "",
+                new String[]{"{(1,1.0)}\ttestinputstring1",
+                        "{(2,2.0)}\ttestinputstring1",
+                        "{(3,3.0)}\ttestinputstring1",
+                        "{(4,4.0)}\ttestinputstring1"}
+        );
+        File out = new File(System.getProperty("java.io.tmpdir")+"/testParseInputScriptOut");
+        File scriptFile = Util.createInputFile("pigScript", "",
+                new String[]{"A = load '"+input.getAbsolutePath()+"' as (a:{(x:chararray, y:float)}, b:chararray);",
+                        "B = foreach A generate\n" +
+                                "    b,\n" +
+                                "    (bag{tuple(long)}) a.x as ax:{(x:long)};",
+                        "store B into '"+out.getAbsolutePath()+"';"}
+        );
+
+        Main.run(new String[]{"-x", "local", scriptFile.getAbsolutePath()}, null);
+        BufferedReader file = new BufferedReader(new FileReader(new File(out.getAbsolutePath()+"/part-m-00000")));
+        String line;
+        int count = 0;
+        while(( line = file.readLine()) != null) {
+            count++;
+        }
+        assertEquals(4,count);
+        Util.deleteDirectory(new File(out.getAbsolutePath()));
+        assertTrue(!new File(out.getAbsolutePath()).exists());
+    }
+
     public static class TestNotificationListener2 extends TestNotificationListener {
         protected boolean hadArgs = false;
         public TestNotificationListener2() {}