diff --git a/libXmd/src/Buffer.c b/libXmd/src/Buffer.c
index a7078d6..2b4823d 100644
--- a/libXmd/src/Buffer.c
+++ b/libXmd/src/Buffer.c
@@ -41,9 +41,9 @@ void XmdBufferResize (XmdBuffer *buffer, Cardinal length) {
 void XmdBufferFit (XmdBuffer *buffer) {
 	if (buffer->length > buffer->capacity) {
 		buffer->capacity *= XmdBUFFER_GROWTH_FACTOR;
-		void *data = XtReallocArray (
+		void *data = XtRealloc (
 			buffer->data,
-			buffer->capacity,
+			buffer->capacity *
 			buffer->size);
 		if (data == NULL) {
 			/* TODO return error */