diff --git a/drivers/cpufreq/cpufreq_interactive.c b/drivers/cpufreq/cpufreq_interactive.c
index 36859a78..38e76c87 100644
--- a/drivers/cpufreq/cpufreq_interactive.c
+++ b/drivers/cpufreq/cpufreq_interactive.c
@@ -171,6 +171,9 @@ static unsigned int cpufreq_interactive_calc_freq(unsigned int cpu)
 	idle_time = (unsigned int) current_idle_time - freq_change_time_in_idle;
 	delta_time = (unsigned int) current_wall_time - freq_change_time;
 
+	if (delta_time == 0)
+	  return policy->cur;
+
 	cpu_load = 100 * (delta_time - idle_time) / delta_time;
 
 	return policy->cur * cpu_load / 100;