diff --git a/cv1/program.c b/cv1/program.c
index 8e3fa97..914a534 100644
--- a/cv1/program.c
+++ b/cv1/program.c
@@ -18,7 +18,7 @@ bool check(char* s2, char *pz)
         }                
     }    
     bool rez=strstr(s, pz)!=NULL;
-    free(s2);
+    free(s);
     return rez;
 
 }