diff --git a/firmware/application/string_format.cpp b/firmware/application/string_format.cpp
index 3529a2d7..0af9dc3d 100644
--- a/firmware/application/string_format.cpp
+++ b/firmware/application/string_format.cpp
@@ -255,3 +255,9 @@ double get_decimals(double num, int16_t mult, bool round) {
 	if (num > .5) intnum++;			//Round up
 	return intnum;
 }
+
+std::string trimr(std::string str)
+{
+	size_t last = str.find_last_not_of(' ');
+	return (last!=std::string::npos) ? str.substr(0, last+1) : ""; // Remove the trailing spaces
+}
\ No newline at end of file
diff --git a/firmware/application/string_format.hpp b/firmware/application/string_format.hpp
index db32072e..848a53e3 100644
--- a/firmware/application/string_format.hpp
+++ b/firmware/application/string_format.hpp
@@ -58,4 +58,7 @@ std::string to_string_FAT_timestamp(const FATTimestamp& timestamp);
 
 std::string unit_auto_scale(double n, const uint32_t base_nano, uint32_t precision);
 double get_decimals(double num, int16_t mult,  bool round = false); //euquiq added
+
+std::string trimr(std::string str); // Remove trailing spaces
+
 #endif/*__STRING_FORMAT_H__*/