diff --git a/framework/test/unittest/platform/virtual/adc_virtual.c b/framework/test/unittest/platform/virtual/adc_virtual.c
index eed330b17460755bbf9dc476c612dd50db315047..c76d9bb2eb5049b69070ab6efbc1792b1612cf96 100644
--- a/framework/test/unittest/platform/virtual/adc_virtual.c
+++ b/framework/test/unittest/platform/virtual/adc_virtual.c
@@ -6,7 +6,7 @@
  * See the LICENSE file in the root of this repository for complete details.
  */
 
-#include<math.h>
+#include <math.h>
 #include "adc/adc_core.h"
 #include "device_resource_if.h"
 #include "hdf_device_desc.h"