diff --git a/source/bforce/conf_read.c b/source/bforce/conf_read.c
index fde314e..e417d76 100644
--- a/source/bforce/conf_read.c
+++ b/source/bforce/conf_read.c
@@ -159,7 +159,7 @@ int conf_readconf(const char *confname, int inclevel)
 			if( i != (int)bforce_config[i].real_key )
 			{
 				#ifdef DEBUG
-					printf(stderr,"BF-DEBUG: invalid config table: found %d instead of %d",
+					fprintf(stderr,"BF-DEBUG: invalid config table: found %d instead of %d",
 					bforce_config[i].real_key, i);
 				#endif
 				return -1;
@@ -328,7 +328,7 @@ int conf_readconf(const char *confname, int inclevel)
 			else
 			{
 				#ifdef DEBUG
-					fprintf(stderr, ("BF-DEBUG: unknown directive `%s'", p_key);
+					fprintf(stderr, "BF-DEBUG: unknown directive `%s'", p_key);
 				#endif
 				rc = PROC_RC_IGNORE;
 			}
@@ -407,7 +407,7 @@ int conf_readconf(const char *confname, int inclevel)
 		free(ifexpr);
 	
 	#ifdef DEBUG
-		printf(stderr, "BF-DEBUG: readconfig: exit with maxrc = %d", maxrc);
+		fprintf(stderr, "BF-DEBUG: readconfig: exit with maxrc = %d", maxrc);
 	#endif
 
         /* update subsystems */