diff --git a/header/wavelib.h b/header/wavelib.h
index 1e80b30..a6a8645 100644
--- a/header/wavelib.h
+++ b/header/wavelib.h
@@ -24,7 +24,7 @@ struct wave_set{
 	double *hpd;
 	double *lpr;
 	double *hpr;
-	double params[0];
+	double *params;
 };
 
 typedef struct fft_t {
@@ -88,7 +88,7 @@ struct wt_set{
 	int zpad;
 	int length[102];
 	double *output;
-	double params[0];
+	double *params;
 };
 
 typedef struct wtree_set* wtree_object;
@@ -115,7 +115,7 @@ struct wtree_set{
 	double *output;
 	int *nodelength;
 	int *coeflength;
-	double params[0];
+	double *params;
 };
 
 typedef struct wpt_set* wpt_object;
@@ -144,7 +144,7 @@ struct wpt_set{
 	int *nodeindex;
 	int *numnodeslevel;
 	int *coeflength;
-	double params[0];
+	double *params;
 };
 
 
diff --git a/src/wavelib.c b/src/wavelib.c
index dc4f358..77c48f7 100644
--- a/src/wavelib.c
+++ b/src/wavelib.c
@@ -15,7 +15,8 @@ wave_object wave_init(char* wname) {
 		//strcopy(obj->wname, wname);
 	}
 
-	obj = (wave_object)malloc(sizeof(struct wave_set) + sizeof(double)* 4 * retval);
+	obj = (wave_object)malloc(sizeof(struct wave_set));
+    obj->params = (double*)malloc(sizeof(double) * 4 * retval);
 
 	obj->filtlength = retval;
 	obj->lpd_len = obj->hpd_len = obj->lpr_len = obj->hpr_len = obj->filtlength;
@@ -49,12 +50,14 @@ wt_object wt_init(wave_object wave,char* method, int siglength,int J) {
 	}
 
 	if (method == NULL) {
-		obj = (wt_object)malloc(sizeof(struct wt_set) + sizeof(double)* (siglength +  2 * J * (size+1)));
+		obj = (wt_object)malloc(sizeof(struct wt_set));
+        obj->params = (double*)malloc(sizeof(double)* (siglength + 2 * J * (size + 1)));
 		obj->outlength = siglength + 2 * J * (size + 1); // Default
 		strcpy(obj->ext, "sym"); // Default
 	}
 	else if (!strcmp(method, "dwt") || !strcmp(method, "DWT")) {
-		obj = (wt_object)malloc(sizeof(struct wt_set) + sizeof(double)* (siglength + 2 * J * (size + 1)));
+		obj = (wt_object)malloc(sizeof(struct wt_set));
+        obj->params = (double*)malloc(sizeof(double)* (siglength + 2 * J * (size + 1)));
 		obj->outlength = siglength + 2 * J * (size + 1); // Default
 		strcpy(obj->ext, "sym"); // Default
 	}
@@ -64,7 +67,8 @@ wt_object wt_init(wave_object wave,char* method, int siglength,int J) {
 			exit(-1);
 		}
 
-		obj = (wt_object)malloc(sizeof(struct wt_set) + sizeof(double)* (siglength * (J + 1)));
+		obj = (wt_object)malloc(sizeof(struct wt_set));
+        obj->params = (double*)malloc(sizeof(double)* (siglength * (J + 1)));
 		obj->outlength = siglength * (J + 1); // Default
 		strcpy(obj->ext, "per"); // Default
 	}
@@ -79,7 +83,8 @@ wt_object wt_init(wave_object wave,char* method, int siglength,int J) {
 			}
 		}
 
-		obj = (wt_object)malloc(sizeof(struct wt_set) + sizeof(double)* (siglength * (J + 1)));
+		obj = (wt_object)malloc(sizeof(struct wt_set));
+        obj->params = (double*)malloc(sizeof(double)* (siglength * (J + 1)));
 		obj->outlength = siglength * (J + 1); // Default
 		strcpy(obj->ext, "per"); // Default
 	}
@@ -145,7 +150,8 @@ wtree_object wtree_init(wave_object wave, int siglength,int J) {
 	  elength += temp2;
 	}
 
-	obj = (wtree_object)malloc(sizeof(struct wtree_set) + sizeof(double)* (siglength * (J + 1) + elength + nodes + J + 1));
+	obj = (wtree_object)malloc(sizeof(struct wtree_set));
+    obj->params = (double*)malloc(sizeof(double)* (siglength * (J + 1) + elength + nodes + J + 1));
 	obj->outlength = siglength * (J + 1) + elength;
 	strcpy(obj->ext, "sym");
 
@@ -218,7 +224,8 @@ wpt_object wpt_init(wave_object wave, int siglength, int J) {
 	}
 	//printf("elength %d", elength);
 
-	obj = (wpt_object)malloc(sizeof(struct wpt_set) + sizeof(double)* (elength + 4 * nodes + 2 * J + 6));
+	obj = (wpt_object)malloc(sizeof(struct wpt_set));
+    obj->params = (double*)malloc(sizeof(double)* (elength + 4 * nodes + 2 * J + 6));
 	obj->outlength = siglength + 2 * (J + 1) * (size + 1);
 	strcpy(obj->ext, "sym");
 	strcpy(obj->entropy, "shannon");
@@ -2530,17 +2537,21 @@ void wpt_summary(wpt_object wt) {
 }
 
 void wave_free(wave_object object) {
+    free(object->params);
 	free(object);
 }
 
 void wt_free(wt_object object) {
+    free(object->params);
 	free(object);
 }
 
 void wtree_free(wtree_object object) {
+    free(object->params);
 	free(object);
 }
 
 void wpt_free(wpt_object object) {
+    free(object->params);
 	free(object);
 }
diff --git a/src/wavelib.h b/src/wavelib.h
index 6507d86..f160d57 100644
--- a/src/wavelib.h
+++ b/src/wavelib.h
@@ -22,7 +22,7 @@ struct wave_set{
 	double *hpd;
 	double *lpr;
 	double *hpr;
-	double params[0];
+	double *params;
 };
 
 typedef struct wt_set* wt_object;
@@ -47,7 +47,7 @@ struct wt_set{
 	int zpad;
 	int length[102];
 	double *output;
-	double params[0];
+	double *params;
 };
 
 typedef struct wtree_set* wtree_object;
@@ -74,7 +74,7 @@ struct wtree_set{
 	double *output;
 	int *nodelength;
 	int *coeflength;
-	double params[0];
+	double *params;
 };
 
 typedef struct wpt_set* wpt_object;
@@ -103,7 +103,7 @@ struct wpt_set{
 	int *nodeindex;
 	int *numnodeslevel;
 	int *coeflength;
-	double params[0];
+	double *params;
 };