diff --git a/src/common/common.h b/src/common/common.h
index e533ea456..6f888655b 100644
--- a/src/common/common.h
+++ b/src/common/common.h
@@ -5,7 +5,7 @@
 #include <stdlib.h>
 
 typedef enum { OQS_ERROR = -1,
-	           OQS_SUCCESS = 0 } OQS_STATUS;
+               OQS_SUCCESS = 0 } OQS_STATUS;
 
 /* Displays hexadecimal strings */
 void OQS_print_hex_string(const char *label, uint8_t *str, size_t len);