diff --git a/src/libslic3r/GCodeTimeEstimator.cpp b/src/libslic3r/GCodeTimeEstimator.cpp
index 17f826c57..3ef325aef 100644
--- a/src/libslic3r/GCodeTimeEstimator.cpp
+++ b/src/libslic3r/GCodeTimeEstimator.cpp
@@ -1623,22 +1623,23 @@ namespace Slic3r {
 
     std::string GCodeTimeEstimator::_get_time_dhm(float time_in_secs)
     {
-        int days = (int)(time_in_secs / 86400.0f);
-        time_in_secs -= (float)days * 86400.0f;
-        int hours = (int)(time_in_secs / 3600.0f);
-        time_in_secs -= (float)hours * 3600.0f;
-        int minutes = (int)(time_in_secs / 60.0f);
-        time_in_secs -= (float)minutes * 60.0f;
-
         char buffer[64];
-        if (days > 0)
-            ::sprintf(buffer, "%dd %dh %dm", days, hours, minutes);
-        else if (hours > 0)
-            ::sprintf(buffer, "%dh %dm", hours, minutes);
-        else if (minutes > 0)
-            ::sprintf(buffer, "%dm", minutes);
-        else
+
+		int minutes = std::round(time_in_secs / 60.);
+    	if (minutes <= 0) {
             ::sprintf(buffer, "%ds", (int)time_in_secs);
+    	} else {
+	        int days = minutes / 1440;
+	        minutes -= days * 1440;
+	        int hours = minutes / 60;
+	        minutes -= hours * 60;
+	        if (days > 0)
+	            ::sprintf(buffer, "%dd %dh %dm", days, hours, minutes);
+	        else if (hours > 0)
+	            ::sprintf(buffer, "%dh %dm", hours, minutes);
+	        else
+	            ::sprintf(buffer, "%dm", minutes);
+	    }
 
         return buffer;
     }