diff --git a/rigs/dummy/aclog.c b/rigs/dummy/aclog.c
index 8baeef075..3b9fb4cef 100644
--- a/rigs/dummy/aclog.c
+++ b/rigs/dummy/aclog.c
@@ -19,6 +19,7 @@
 *
 */
 
+#include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -421,9 +422,14 @@ static rmode_t modeMapGetHamlib(const char *modeACLog)
 /*
 * aclog_get_freq
 * Assumes rig!=NULL, STATE(rig)->priv!=NULL, freq!=NULL
+*
+* string='<CMD><READBMFRESPONSE><BAND>23</BAND><MODE>SSB</MODE><MODETEST>PH</MODETEST><FREQ>1,296.171100</FREQ></CMD> '
 */
 static int aclog_get_freq(RIG *rig, vfo_t vfo, freq_t *freq)
 {
+    int i, j = 0;
+    char f_string[32];
+
     char value[MAXARGLEN];
     struct aclog_priv_data *priv = (struct aclog_priv_data *) STATE(rig)->priv;
 
@@ -461,7 +467,30 @@ static int aclog_get_freq(RIG *rig, vfo_t vfo, freq_t *freq)
     char *p = strstr(value, "<FREQ>");
     *freq = 0;
 
-    if (p) { sscanf(p, "<FREQ>%'lf", freq); }
+    if (p)
+    {
+        // Move the pointer to the first digit.
+        p += strlen("<FREQ>");
+
+        // Parse "1,296.171100" ignoring the comma.
+        for (i = 0; p[i] != '<'; i++)
+        {
+            if (isdigit(p[i]))
+            {
+                f_string[j++] = p[i];
+            }
+            else if (ispunct(p[i]) && p[i] == '.')
+            {
+                f_string[j++] = p[i];
+            }
+        }
+
+        f_string[j] = '\0';
+        rig_debug(RIG_DEBUG_TRACE, "%s: f_string=%s\n", __func__, f_string);
+
+        *freq = strtold(f_string, NULL);
+        rig_debug(RIG_DEBUG_TRACE, "%s: freq=%.0f\n", __func__, *freq);
+    }
 
     *freq *= 1e6; // convert from MHz to Hz