diff --git a/lib/c_tokenizer.c b/lib/c_tokenizer.c
index 55ff8172a..4f6085907 100644
--- a/lib/c_tokenizer.c
+++ b/lib/c_tokenizer.c
@@ -354,7 +354,7 @@ char *mysql_query_digest_and_first_comment(char *s, int _len, char **first_comme
 						continue;
 					}
 					// supress spaces before closing brakets
-					if (p >= r && (*s == ')')) {
+					if (p >= r && *p == '.' && is_space_char(prev_char) && (*s == ')')) {
 						prev_char = *s;
 						--p_r;
 						*p_r++ = *s;
diff --git a/test/tap/tests/test_tokenizer-t.cpp b/test/tap/tests/test_tokenizer-t.cpp
index 39b3bc40f..a1ef73f88 100644
--- a/test/tap/tests/test_tokenizer-t.cpp
+++ b/test/tap/tests/test_tokenizer-t.cpp
@@ -51,7 +51,15 @@ const std::vector<std::string> queries {
 	"SELECT * FROM tablename WHERE id IN (1,2,3,4,5,6,7,8,9,10)",
 	"SELECT * FROM tablename WHERE id IN (1,2,3,4)",
 	// invalid request grouping
-	"SELECT * tablename where id IN (1,2,3,4,5,6,7,8,  AND j in (1,2,3,4,5,6  and k=1"
+	"SELECT * tablename where id IN (1,2,3,4,5,6,7,8,  AND j in (1,2,3,4,5,6  and k=1",
+	// random insert queries
+	"INSERT INTO db.table(col1) VALUES ('val')",
+	"INSERT INTO db.table (col1) VALUES ('val')",
+	"INSERT INTO db.table( col1) VALUES ( 'val' )",
+	"INSERT INTO db.table( col1) VALUES ( 'val' )",
+	"INSERT INTO db.table  ( col1 )  VALUES ( 'val' )",
+	"INSERT INTO db.table (col1, col2,col3,col4) VALUES ('val',2,3,'foo')",
+	"INSERT INTO db.table ( col1, col2,col3,col4 ) VALUES ('val',2,3,'foo')"
 };
 
 const std::vector<std::string> exp_results {
@@ -86,7 +94,15 @@ const std::vector<std::string> exp_results {
 	"SELECT * FROM tablename WHERE id IN (?,?,?,...)",
 	"SELECT * FROM tablename WHERE id IN (?,?,?,...)",
 	// invalid request grouping
-	"SELECT * tablename where id IN (?,?,?,... AND j in (?,?,?,... and k=?"
+	"SELECT * tablename where id IN (?,?,?,... AND j in (?,?,?,... and k=?",
+	// random insert queries
+	"INSERT INTO db.table(col1) VALUES (?)",
+	"INSERT INTO db.table (col1) VALUES (?)",
+	"INSERT INTO db.table( col1) VALUES ( ? )",
+	"INSERT INTO db.table( col1) VALUES ( ? )",
+	"INSERT INTO db.table ( col1 ) VALUES ( ? )",
+	"INSERT INTO db.table (col1,col2,col3,col4) VALUES (?,?,?,?)",
+	"INSERT INTO db.table ( col1,col2,col3,col4 ) VALUES (?,?,?,?)"
 };
 
 const std::vector<std::string> queries_grouping {
@@ -167,10 +183,10 @@ int main(int argc, char** argv) {
 	
 			const auto& query = queries_grouping[i];
 			const auto& exp_res = increase_mark_num(exp_queries_grouping[i], j);
-	
+
 			char* c_res = mysql_query_digest_and_first_comment(const_cast<char*>(query.c_str()), query.length(), NULL, buf);
 			std::string result(c_res);
-	
+
 			ok(result == exp_res, "Grouping digest should be equal to exp result: '%s' == '%s'", result.c_str(), exp_res.c_str());
 		}
 	}