diff --git a/mysql-test/include/mix1.inc b/mysql-test/include/mix1.inc
index 7c87949830f..d40d78c21b8 100644
--- a/mysql-test/include/mix1.inc
+++ b/mysql-test/include/mix1.inc
@@ -1162,6 +1162,15 @@ ROLLBACK;
 --error 1305
 ROLLBACK TO SAVEPOINT s4;
 
+#
+# Bug#39793 Foreign keys not constructed when column has a '#' in a comment or default value
+#
+
+#This statement should be written on a single line for proper testing
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY COMMENT 'My ID#', f2 INTEGER DEFAULT NULL, f3 CHAR(10) DEFAULT 'My ID#', CONSTRAINT f2_ref FOREIGN KEY (f2) REFERENCES t1 (f1)) ENGINE=INNODB;
+SHOW CREATE TABLE t1;
+DROP TABLE t1;
+
 --echo End of 5.0 tests
 
 # Fix for BUG#19243 "wrong LAST_INSERT_ID() after ON DUPLICATE KEY
diff --git a/mysql-test/r/innodb_mysql.result b/mysql-test/r/innodb_mysql.result
index 89f9b627c9c..671009a8a73 100644
--- a/mysql-test/r/innodb_mysql.result
+++ b/mysql-test/r/innodb_mysql.result
@@ -1408,6 +1408,18 @@ SAVEPOINT s4;
 ROLLBACK;
 ROLLBACK TO SAVEPOINT s4;
 ERROR 42000: SAVEPOINT s4 does not exist
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY COMMENT 'My ID#', f2 INTEGER DEFAULT NULL, f3 CHAR(10) DEFAULT 'My ID#', CONSTRAINT f2_ref FOREIGN KEY (f2) REFERENCES t1 (f1)) ENGINE=INNODB;
+SHOW CREATE TABLE t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `f1` int(11) NOT NULL COMMENT 'My ID#',
+  `f2` int(11) DEFAULT NULL,
+  `f3` char(10) DEFAULT 'My ID#',
+  PRIMARY KEY (`f1`),
+  KEY `f2_ref` (`f2`),
+  CONSTRAINT `f2_ref` FOREIGN KEY (`f2`) REFERENCES `t1` (`f1`)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1
+DROP TABLE t1;
 End of 5.0 tests
 CREATE TABLE `t2` (
 `k` int(11) NOT NULL auto_increment,
diff --git a/storage/innobase/dict/dict0dict.c b/storage/innobase/dict/dict0dict.c
index 0fec2443836..8cb196bf983 100644
--- a/storage/innobase/dict/dict0dict.c
+++ b/storage/innobase/dict/dict0dict.c
@@ -2616,7 +2616,7 @@ scan_more:
 		} else if (quote) {
 			/* Within quotes: do not look for
 			starting quotes or comments. */
-		} else if (*sptr == '"' || *sptr == '`') {
+		} else if (*sptr == '"' || *sptr == '`' || *sptr == '\'') {
 			/* Starting quote: remember the quote character. */
 			quote = *sptr;
 		} else if (*sptr == '#'