diff --git a/sorting/selection_sort_recursive.c b/sorting/selection_sort_recursive.c
index a5a94ef2..cac10561 100644
--- a/sorting/selection_sort_recursive.c
+++ b/sorting/selection_sort_recursive.c
@@ -5,7 +5,7 @@
  * implementation using recursion.
  */
 #include <assert.h> /// for assert
-#include<stdio.h>   /// for IO operations
+#include <stdio.h>   /// for IO operations
 #include <stdlib.h> /// for dynamic memory allocation
 #include <time.h>   /// for random numbers generation
 #include <inttypes.h> /// for uint8_t