diff --git a/core/string.cpp b/core/string.cpp
index f3f72d96..6ecf50a2 100644
--- a/core/string.cpp
+++ b/core/string.cpp
@@ -17,12 +17,11 @@ gchar *string_sec2str(unsigned int sec)
 	return g_strdup_printf("%u:%02u", sec / 60, sec % 60);
 }
 
-const std::string string :: sec2str_detailed(unsigned int sec)
+gchar *string_sec2str_long(unsigned int sec)
 {
 	gchar *tmp;
 	unsigned int val;
-	std::string res;
-	gchar *g_res = g_strdup("");
+	gchar *res = g_strdup("");
 
 	for (unsigned int i = 0; i < 4; i++) {
 		val  = sec / factor[i];
@@ -30,15 +29,13 @@ const std::string string :: sec2str_detailed(unsigned int sec)
 		if (val == 0)
 			continue;
 
-		tmp = g_strdup_printf("%s%u %s%s%s", g_res, val, field[i],
+		tmp = g_strdup_printf("%s%u %s%s%s", res, val, field[i],
 					(val > 1) ? "s" : "",
 					(sec > 0) ? ", " : "");
-		g_free(g_res);
-		g_res = tmp;
+		g_free(res);
+		res = tmp;
 	}
 
-	res = g_res;
-	g_free(g_res);
 	return res;
 }
 
diff --git a/gui/tabs.cpp b/gui/tabs.cpp
index a69896cf..eb2d912b 100644
--- a/gui/tabs.cpp
+++ b/gui/tabs.cpp
@@ -109,8 +109,10 @@ bool Tab :: tab_is_cur()
 
 void Tab :: tab_runtime_changed()
 {
+	gchar *len = string_sec2str_long(tab_pq->length());
 	if (tab_is_cur())
-		gui :: get_widget<Gtk::Label>("o_queue_time")->set_text(string :: sec2str_detailed(tab_pq->length()));
+		gui :: get_widget<Gtk::Label>("o_queue_time")->set_text(len);
+	g_free(len);
 }
 
 void Tab :: tab_display_sorting()
diff --git a/include/core/string.h b/include/core/string.h
index 1e80ef59..2310ef6b 100644
--- a/include/core/string.h
+++ b/include/core/string.h
@@ -13,14 +13,6 @@
 namespace string
 {
 
-	/**
-	 * Convert from seconds to a detailed time string.
-	 * @param  sec  Number of seconds.
-	 * @return A string listing the length in terms of days,
-	 *         months, hours, minutes, and seconds.
-	 */
-	const std::string sec2str_detailed(unsigned int);
-
 	/**
 	 * Convert a string to lowercase, stripping out special characters
 	 * along the way.
@@ -37,4 +29,10 @@ namespace string
  */
 gchar *string_sec2str(unsigned int);
 
+/*
+ * Convert number of seconds into a long-form time string.
+ * This function allocates a new string that MUST be freed with g_free().
+ */
+gchar *string_sec2str_long(unsigned int);
+
 #endif /* OCARINA_CORE_STRING_H */
diff --git a/tests/core/string.cpp b/tests/core/string.cpp
index bcaeff22..f810f271 100644
--- a/tests/core/string.cpp
+++ b/tests/core/string.cpp
@@ -5,7 +5,7 @@
 #include <core/string.h>
 #include "test.h"
 
-static char buf[6];
+static char buf[25];
 
 static inline char *swap(gchar *res)
 {
@@ -30,28 +30,28 @@ void test_sec2str()
 	test_equal(swap(string_sec2str(675)), "11:15");
 }
 
-void test_sec2str_detailed()
+void test_sec2str_long()
 {
 
 	unsigned int minute = 60;
 	unsigned int hour   = 3600;
 	unsigned int day    = 86400;
 
-	test_equal(string :: sec2str_detailed(day),     "1 day");
-	test_equal(string :: sec2str_detailed(2 * day), "2 days");
+	test_equal(swap(string_sec2str_long(day)),     "1 day");
+	test_equal(swap(string_sec2str_long(2 * day)), "2 days");
 
-	test_equal(string :: sec2str_detailed(day + hour), "1 day, 1 hour");
-	test_equal(string :: sec2str_detailed(hour), "1 hour");
-	test_equal(string :: sec2str_detailed(2 * hour), "2 hours");
+	test_equal(swap(string_sec2str_long(day + hour)), "1 day, 1 hour");
+	test_equal(swap(string_sec2str_long(hour)), "1 hour");
+	test_equal(swap(string_sec2str_long(2 * hour)), "2 hours");
 
-	test_equal(string :: sec2str_detailed(hour + minute), "1 hour, 1 minute");
-	test_equal(string :: sec2str_detailed(minute), "1 minute");
-	test_equal(string :: sec2str_detailed(2 * minute), "2 minutes");
+	test_equal(swap(string_sec2str_long(hour + minute)), "1 hour, 1 minute");
+	test_equal(swap(string_sec2str_long(minute)), "1 minute");
+	test_equal(swap(string_sec2str_long(2 * minute)), "2 minutes");
 
-	test_equal(string :: sec2str_detailed(minute + 1), "1 minute, 1 second");
-	test_equal(string :: sec2str_detailed(0), "");
-	test_equal(string :: sec2str_detailed(1), "1 second");
-	test_equal(string :: sec2str_detailed(2), "2 seconds");
+	test_equal(swap(string_sec2str_long(minute + 1)), "1 minute, 1 second");
+	test_equal(swap(string_sec2str_long(0)), "");
+	test_equal(swap(string_sec2str_long(1)), "1 second");
+	test_equal(swap(string_sec2str_long(2)), "2 seconds");
 }
 
 void test_lowercase()
@@ -74,6 +74,6 @@ void test_lowercase()
 
 DECLARE_UNIT_TESTS(
 	UNIT_TEST("Seconds to String", test_sec2str),
-	UNIT_TEST("Seconds to String (Detailed)", test_sec2str_detailed),
+	UNIT_TEST("Seconds to String (Long)", test_sec2str_long),
 	UNIT_TEST("String Lowercase", test_lowercase),
 );