diff --git a/builder/parser/parser.go b/builder/parser/parser.go
index c24a925e43..f016f2598b 100644
--- a/builder/parser/parser.go
+++ b/builder/parser/parser.go
@@ -32,7 +32,7 @@ type Node struct {
 var (
 	dispatch                map[string]func(string) (*Node, map[string]bool, error)
 	TOKEN_WHITESPACE        = regexp.MustCompile(`[\t\v\f\r ]+`)
-	TOKEN_LINE_CONTINUATION = regexp.MustCompile(`\\$`)
+	TOKEN_LINE_CONTINUATION = regexp.MustCompile(`\\\s*$`)
 	TOKEN_COMMENT           = regexp.MustCompile(`^#.*$`)
 )
 
diff --git a/builder/parser/testfiles/continueIndent/Dockerfile b/builder/parser/testfiles/continueIndent/Dockerfile
index 6ce6c06fb7..57a6bca92a 100644
--- a/builder/parser/testfiles/continueIndent/Dockerfile
+++ b/builder/parser/testfiles/continueIndent/Dockerfile
@@ -14,6 +14,7 @@ RUN echo hello \
 goodbye\
 frog
 RUN echo hello  \  
+world
 RUN echo hi \
  \
  world \
diff --git a/builder/parser/testfiles/continueIndent/result b/builder/parser/testfiles/continueIndent/result
index e440b836d4..8c67707706 100644
--- a/builder/parser/testfiles/continueIndent/result
+++ b/builder/parser/testfiles/continueIndent/result
@@ -3,7 +3,7 @@
 (run "echo hello    world")
 (run "echo hello  world")
 (run "echo hello goodbyefrog")
-(run "echo hello  \\")
+(run "echo hello  world")
 (run "echo hi   world  goodnight")
 (run "echo goodbyefrog")
 (run "echo goodbyefrog")