diff --git a/test/yarp/fuzzer_test.rb b/test/yarp/fuzzer_test.rb
index 6962e6be76..e2aa9dab61 100644
--- a/test/yarp/fuzzer_test.rb
+++ b/test/yarp/fuzzer_test.rb
@@ -14,4 +14,5 @@ class FuzzerTest < Test::Unit::TestCase
 
   snippet "incomplete global variable", "$"
   snippet "incomplete symbol", ":"
+  snippet "incomplete escaped string", '"\\'
 end
diff --git a/yarp/yarp.c b/yarp/yarp.c
index 15511ebc9e..91c814af9a 100644
--- a/yarp/yarp.c
+++ b/yarp/yarp.c
@@ -7224,6 +7224,12 @@ parser_lex(yp_parser_t *parser) {
                         breakpoint = yp_strpbrk(parser, breakpoint + 1, breakpoints, parser->end - (breakpoint + 1));
                         break;
                     case '\\': {
+                        // Check that we're not at the end of the file.
+                        if (breakpoint + 1 >= parser->end) {
+                            breakpoint = NULL;
+                            break;
+                        }
+
                         // If we hit escapes, then we need to treat the next token
                         // literally. In this case we'll skip past the next character and
                         // find the next breakpoint.