diff -burN bw_mod-0.6.orig/bw_mod-0.6.c bw_mod-0.6/bw_mod-0.6.c
--- bw_mod-0.6.orig/bw_mod-0.6.c	2005-03-12 14:28:51.665241352 +0100
+++ bw_mod-0.6/bw_mod-0.6.c	2005-03-12 14:32:46.305570600 +0100
@@ -510,7 +510,7 @@
     nowtime = apr_time_now();
     if ( bwstat->time < (nowtime - 1000000) ) {
       /* And if we got lock */
-      if ( apr_atomic_cas( &bwstat->lock, 1, 0 ) == 0 ) {
+      if ( apr_atomic_cas32( &bwstat->lock, 1, 0 ) == 0 ) {
 
         /* Calculate bw used in the last timeinterval */
         bwstat->bandwidth = ( bwstat->bytes_count / (double)(nowtime - bwstat->time)) * 1000000 ;
@@ -522,7 +522,7 @@
         bwstat->time = apr_time_now();
           
         /* Release lock */
-        apr_atomic_set( &bwstat->lock, 0 );
+        apr_atomic_set32( &bwstat->lock, 0 );
      }
   }    
 }   
@@ -653,7 +653,7 @@
   else             bwmaxconn = bwstat;
  
   /* Add 1 active connection to the record */
-  apr_atomic_inc( &bwmaxconn->connection_count );
+  apr_atomic_inc32( &bwmaxconn->connection_count );
 
   /* Verbose Output */
   if (sconf->debug == BANDWIDTH_ENABLED) {
@@ -682,7 +682,7 @@
       ap_pass_brigade(f->next, ctx->bb);
 
       /* Delete 1 active connection */
-      apr_atomic_dec( &bwmaxconn->connection_count );
+      apr_atomic_dec32( &bwmaxconn->connection_count );
       return APR_SUCCESS; 
     }
 
@@ -750,14 +750,14 @@
         b = APR_BRIGADE_FIRST(bb);
 
         /* Add the number of bytes transferred, so we can get an estimated bw usage */
-        apr_atomic_add( &bwstat->bytes_count, packet);
+        apr_atomic_add32( &bwstat->bytes_count, packet);
 
         /* If the connection goes to hell... go with it ! */
         if (r->connection->aborted) { 
           /* Verbose. Tells when the connection was ended */
           if (sconf->debug == BANDWIDTH_ENABLED) 
             ap_log_error(APLOG_MARK, APLOG_NOTICE|APLOG_NOERRNO, 0,NULL,"[W] Connection to hell"); 
-          apr_atomic_dec( &bwmaxconn->connection_count ); 
+          apr_atomic_dec32( &bwmaxconn->connection_count ); 
           return APR_SUCCESS; 
         }
 
@@ -774,14 +774,14 @@
     b = APR_BRIGADE_FIRST(bb);
 
     /* Add the number of bytes to the counter */
-    apr_atomic_add( &bwstat->bytes_count, bytes);
+    apr_atomic_add32( &bwstat->bytes_count, bytes);
       
     /* Pass the final brigade */
     ap_pass_brigade(f->next, ctx->bb);
   }
 
   /* Delete 1 active connection to the record */
-  apr_atomic_dec( &bwmaxconn->connection_count );
+  apr_atomic_dec32( &bwmaxconn->connection_count );
 
   /* Verbose, tells when we ended the Filter */
   if (sconf->debug == BANDWIDTH_ENABLED)