diff --git a/apps/plugins/pdbox/PDa/src/d_soundfile.c b/apps/plugins/pdbox/PDa/src/d_soundfile.c
index 74c41a78d4..49247b5ad9 100644
--- a/apps/plugins/pdbox/PDa/src/d_soundfile.c
+++ b/apps/plugins/pdbox/PDa/src/d_soundfile.c
@@ -1118,7 +1118,9 @@ static void soundfiler_read(t_soundfiler *x, t_symbol *s,
     if (finalsize > bytelimit / (channels * bytespersamp))
     	finalsize = bytelimit / (channels * bytespersamp);
 #ifdef ROCKBOX
-    fp = open(filename, O_RDONLY);
+    fp = open_soundfile(canvas_getdir(x->x_canvas)->s_name, filename,
+            headersize, &bytespersamp, &bigendian, &channels, &bytelimit,
+            skipframes);
 #else
     fp = fdopen(fd, "rb");
 #endif
diff --git a/apps/plugins/pdbox/PDa/src/x_net.c b/apps/plugins/pdbox/PDa/src/x_net.c
index aa19f78ec0..dc9eff989d 100644
--- a/apps/plugins/pdbox/PDa/src/x_net.c
+++ b/apps/plugins/pdbox/PDa/src/x_net.c
@@ -317,6 +317,7 @@ static void *netreceive_new(t_symbol *compatflag,
 
     x = (t_netreceive *) pd_new(netreceive_class);
     x->x_msgout = outlet_new(&x->x_obj, &s_anything);
+    x->x_connectout = 0;
     x->x_nconnections = 0;
     x->x_udp = udp;
 
@@ -428,8 +429,8 @@ static void netreceive_free(t_netreceive *x)
 #ifdef ROCKBOX
 /* Basically a reimplementation of socketreceiver_getudp()
    from s_inter.c */
-t_binbuf* inbinbuf;
-void outlet_setstacklim(void);
+extern t_binbuf* inbinbuf;
+extern void outlet_setstacklim(void);
 
 void rockbox_receive_callback(struct datagram* dg)
 {
diff --git a/apps/plugins/pdbox/pdbox-func.c b/apps/plugins/pdbox/pdbox-func.c
index 22c8714b3f..c5a560de67 100644
--- a/apps/plugins/pdbox/pdbox-func.c
+++ b/apps/plugins/pdbox/pdbox-func.c
@@ -263,8 +263,14 @@ void rb_ftoan(float f, char* out, int size)
     strcat(out, ".");
     size--;
 
-    /* Calculate first rest and convert it. */
+    /* Calculate first rest. */
     float rest1 = (f - (float) int_part) * 1000000000.0;
+
+    /* If there is no fractional part, return here. */
+    if(rest1 == 0.0f)
+        return;
+
+    /* Convert the first rest to string. */
     int irest1 = (int) rest1;
     snprintf(sbuf, SBUFSIZE-1, "%09d", irest1);
 
@@ -278,8 +284,26 @@ void rb_ftoan(float f, char* out, int size)
     if(size <= 0)
         return;
 
-    /* Calculate second rest and convert it. */
+    /* Calculate second rest. */
     float rest2 = (rest1 - (float) irest1) * 1000000000.0;
+
+    /* If no second rest, check whether
+       the output string has unwanted zero trail,
+       remove it and end processing here. */
+    if(rest2 == 0.0f)
+    {
+        char* zerotrail = out + strlen(out) - 1;
+
+        for(; zerotrail >= out; zerotrail--)
+        {
+            if(*zerotrail == '0')
+                *zerotrail = '\0';
+            else
+                return;
+        }
+    }
+
+    /* Convert second rest. */
     int irest2 = (int) rest2;
     snprintf(sbuf, SBUFSIZE-1, "%09d", irest2);
 
@@ -287,6 +311,16 @@ void rb_ftoan(float f, char* out, int size)
     int rest2_len = strlen(sbuf);
     int rest2_minlen = MIN(size, rest2_len);
     strncat(out, sbuf, rest2_minlen);
+
+    /* Cut trailing zeroes. */
+    char* zerotrail = out + strlen(out) - 1;
+    for(;zerotrail >= out; zerotrail--)
+    {
+            if(*zerotrail == '0')
+                *zerotrail = '\0';
+            else
+                return;
+    }
 }
 
 
diff --git a/apps/plugins/pdbox/pdbox-net.c b/apps/plugins/pdbox/pdbox-net.c
index f0f7013488..03ef6bf6cb 100644
--- a/apps/plugins/pdbox/pdbox-net.c
+++ b/apps/plugins/pdbox/pdbox-net.c
@@ -103,7 +103,12 @@ bool receive_datagram(struct event_queue* route,
     /* Copy datagram. */
     memcpy(buffer, (struct datagram*) event.data, sizeof(struct datagram));
 
-    /* Free datagram buffer. */
+    /* Clear datagram event. */
+    memset(((struct datagram*) event.data)->data,
+           0,
+           ((struct datagram*) event.data)->size);
+
+    /* Free datagram event. */
     ((struct datagram*) event.data)->used = false;
 
     /* Everything went ok. */