diff --git a/tests/main.cpp b/tests/main.cpp
index 6b9fd3e..435bd2d 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -23,7 +23,7 @@ int main(int argc, char** argv) {
 	int testcount = 0;
 	for(; *current; current++) {
 		testcount++;
-		printf("\033[1mRunning test number: %d ", testcount);
+		printf("\033[1mRunning test number: %02d ", testcount);
 		if((*current)()) {
 			printf("\033[1;92msucceeded\033[0;1m!\n");
 		} else {