diff --git a/test/dwttest.c b/test/dwttest.c
index ce2a92e..dd0a017 100644
--- a/test/dwttest.c
+++ b/test/dwttest.c
@@ -41,6 +41,8 @@ int main() {
 		i++;
 	}
 	N = 256;
+	
+	fclose(ifp);
 
 	inp = (double*)malloc(sizeof(double)* N);
 	out = (double*)malloc(sizeof(double)* N);
diff --git a/test/modwttest.c b/test/modwttest.c
index 426a41c..270119b 100644
--- a/test/modwttest.c
+++ b/test/modwttest.c
@@ -42,6 +42,8 @@ int main() {
 		i++;
 	}
 	N = 177;
+	
+	fclose(ifp);
 
 	inp = (double*)malloc(sizeof(double)* N);
 	out = (double*)malloc(sizeof(double)* N);
diff --git a/test/swttest.c b/test/swttest.c
index b6da495..5174edc 100644
--- a/test/swttest.c
+++ b/test/swttest.c
@@ -41,7 +41,7 @@ int main() {
 		i++;
 	}
 	N = 256;
-
+	fclose(ifp);
 	inp = (double*)malloc(sizeof(double)* N);
 	out = (double*)malloc(sizeof(double)* N);
 	diff = (double*)malloc(sizeof(double)* N);