diff --git a/src/util/testpkg.c b/src/util/testpkg.c
index e32b013d..64056ce4 100644
--- a/src/util/testpkg.c
+++ b/src/util/testpkg.c
@@ -29,44 +29,58 @@
 
 static void output_cb(pmloglevel_t level, char *fmt, va_list args)
 {
-	if(strlen(fmt)) {
-        switch(level) {
-        case PM_LOG_ERROR: printf("error: "); break;
-        case PM_LOG_WARNING: printf("warning: "); break;
-		default: break;
-        }
-		vprintf(fmt, args);
-    }
+	if(fmt[0] == '\0') {
+		return;
+	}
+	switch(level) {
+		case PM_LOG_ERROR: printf("error: "); break;
+		case PM_LOG_WARNING: printf("warning: "); break;
+		default: return; /* skip other messages */
+	}
+	vprintf(fmt, args);
 }
 
 int main(int argc, char **argv)
 {
-    int retval = 1; /* default = false */
-    pmpkg_t *pkg = NULL;
+	int retval = 1; /* default = false */
+	pmpkg_t *pkg = NULL;
 
-    if(argc != 2) {
+	if(argc != 2) {
 		fprintf(stderr, "usage: %s <package file>\n", BASENAME);
 		return(1);
 	}
 
 	if(alpm_initialize() == -1) {
-		fprintf(stderr, "cannot initilize alpm: %s\n", alpm_strerrorlast());
-        return(1);
+		fprintf(stderr, "cannot initialize alpm: %s\n", alpm_strerrorlast());
+		return(1);
 	}
 
-    /* let us get log messages from libalpm */
+	/* let us get log messages from libalpm */
 	alpm_option_set_logcb(output_cb);
 
 	if(alpm_pkg_load(argv[1], 1, &pkg) == -1 || pkg == NULL) {
-        retval = 1;
+		switch(pm_errno) {
+			case PM_ERR_PKG_OPEN:
+				printf("Cannot open the given file.\n");
+				break;
+			case PM_ERR_LIBARCHIVE_ERROR:
+			case PM_ERR_PKG_INVALID:
+				printf("Package is invalid.\n");
+				break;
+			default:
+				printf("libalpm error: %s\n", alpm_strerrorlast());
+				break;
+		}
+		retval = 1;
 	} else {
 		alpm_pkg_free(pkg);
-        retval = 0;
+		printf("Package is valid.\n");
+		retval = 0;
 	}
 
 	if(alpm_release() == -1) {
 		fprintf(stderr, "error releasing alpm: %s\n", alpm_strerrorlast());
 	}
 
-    return(retval);
+	return(retval);
 }