diff --git a/sa_core.c b/sa_core.c
index 0571db5..224df24 100644
--- a/sa_core.c
+++ b/sa_core.c
@@ -856,8 +856,8 @@ uint32_t peakFreq;
 int peakIndex;
 float temppeakLevel;
 int temppeakIndex;
-static unsigned long old_freq[MAX_SI4432] = { 0, 0, 0};
-static unsigned long real_old_freq[MAX_SI4432] = { 0, 0, 0};
+static unsigned long old_freq[4] = { 0, 0, 0, 0};
+static unsigned long real_old_freq[4] = { 0, 0, 0, 0};
 // volatile int t;
 
 //static uint32_t extra_vbw_step_time = 0;