diff --git a/src/swtpm/check_algos.h b/src/swtpm/check_algos.h
index 234b49fa..54cb4f61 100644
--- a/src/swtpm/check_algos.h
+++ b/src/swtpm/check_algos.h
@@ -36,7 +36,7 @@
  */
 
 #ifndef _SWTPM_CHECK_ALGOS_H_
-#define _SWTPM_CHECK_ALOGO_H_
+#define _SWTPM_CHECK_ALGOS_H_
 
 #include <stdbool.h>