diff --git a/src/add_numbers.c b/src/add_numbers.c
index de58f14..5a2f528 100644
--- a/src/add_numbers.c
+++ b/src/add_numbers.c
@@ -5,7 +5,7 @@ int main (int argc, char *argv[])
   int a = 10;
   int b = 20;
 
-  c = a + b;
+  int c = a + b;
 
   printf("%d\n", c);