diff --git a/src/altera.cpp b/src/altera.cpp
index 71feb21..22ac908 100644
--- a/src/altera.cpp
+++ b/src/altera.cpp
@@ -486,7 +486,7 @@ void Altera::max10_program(unsigned int offset)
 	if (_flash_sectors.size() > 0) {
 		const std::vector<std::string> sectors = splitString(_flash_sectors, ',');
 		update_sectors = 0;
-		for (const auto sector: sectors) {
+		for (const auto &sector: sectors) {
 			if (sector == "UFM1")
 				update_sectors |= (1 << 0);
 			else if (sector == "UFM0")
diff --git a/src/common.cpp b/src/common.cpp
index 6547913..c472b8a 100644
--- a/src/common.cpp
+++ b/src/common.cpp
@@ -6,8 +6,9 @@
 
 #include "common.hpp"
 
-#include <string>
 #include <cstdlib>
+#include <string>
+#include <vector>
 
 /*!
  * \brief return shell environment variable value
@@ -31,7 +32,7 @@ const std::vector<std::string> splitString(const std::string& in,
 	std::vector<std::string> tokens;
 	size_t start = 0, end = 0;
 
-	while ((end = in.find(',', start)) != std::string::npos) {
+	while ((end = in.find(delim, start)) != std::string::npos) {
 		tokens.push_back(in.substr(start, end - start));
 		start = end + 1;
 	}
diff --git a/src/common.hpp b/src/common.hpp
index 0ec85d1..ef6c93e 100644
--- a/src/common.hpp
+++ b/src/common.hpp
@@ -7,6 +7,7 @@
 #define SRC_COMMON_HPP_
 
 #include <string>
+#include <vector>
 
 /*!
  * \brief return shell environment variable value
diff --git a/src/main.cpp b/src/main.cpp
index 579cf52..3778608 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -142,7 +142,6 @@ int main(int argc, char **argv)
 		printError("Error in parse arg step");
 		return EXIT_FAILURE;
 	}
-	printf("sectors: %s\n", args.flash_sector.c_str());
 
 	if (args.is_list_command) {
 		displaySupported(args);