diff --git a/src/main.cpp b/src/main.cpp
index fadb30e..8a44426 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -262,7 +262,7 @@ uint64_t estimandoFreq(){
 			
 			if(status != ERROR_SUCCESS) {
 				RegCloseKey(key);
-				return -3
+				return -3;
 			}
 
 			if (CSTR_EQUAL == CompareStringEx(
@@ -294,7 +294,7 @@ uint64_t estimandoFreq(){
 				 LPDWORD PMHz = (LPDWORD)dataContent;
 				 DWORD MHz = *PMHz;
 				 free(dataContent);
-				 RegCloseKey(key);
+				 status = RegCloseKey(key);
 				 return MHz * 1000000;
 				 //break;
 			 }
@@ -302,8 +302,8 @@ uint64_t estimandoFreq(){
 		
 		}
 		if(status != ERROR_SUCCESS) {
-			RegCloseKey(key);
-			return -4
+			status = RegCloseKey(key);
+			return -4;
 		}
     }