diff --git a/README.md b/README.md
index d241ad2..b0d8f86 100644
--- a/README.md
+++ b/README.md
@@ -156,7 +156,7 @@ Funnels file descriptor in readable stream into event loop and thence executes a
 - **nbytes** (int|null) - The number of bytes to read.
   > Specifying `null` will condition the use of a 1KB buffer.
 - **vcount** (int|null) - The number of read vectors to use.
-  > Specifying `null` will condition the use of 2 vectors.
+  > Specifying `null` will condition the use of `1` vector.
   > Any value north of `8` will likely result in an inefficient read.
 - **offset** (int|null) - The point at which to start the read operation.
   > Specifying `null` will condition the use of an offset of `0`.
@@ -214,7 +214,7 @@ Funnels file descriptor in writable stream into event loop and thence executes a
   > The file descriptor in the stream is internally given a non-blocking disposition.
 - **contents** (string) - The contents to write to the file descriptor.
 - **vcount** (int|null) - The number of write vectors to use.
-  > Specifying `null` will condition the use of 2 vectors.
+  > Specifying `null` will condition the use of `1` vector.
   > Any value north of `8` will likely result in an inefficient write.
 - **callback** (callable) - The unary function through which the number of written bytes is propagated.
 
diff --git a/src/loop.c b/src/loop.c
index 775fb8f..e9b6d8f 100644
--- a/src/loop.c
+++ b/src/loop.c
@@ -261,7 +261,7 @@ static void *php_mrloop_tcp_client_setup(int fd, char **buffer, int *bsize)
 
   conn = emalloc(sizeof(php_mrloop_conn_t));
   conn->fd = fd;
-  conn->buffer = emalloc(MRLOOP_G(tcp_buff_size));
+  conn->buffer = ecalloc(1, MRLOOP_G(tcp_buff_size));
   *buffer = conn->buffer;
   *bsize = MRLOOP_G(tcp_buff_size);
 
@@ -587,7 +587,7 @@ static void php_mrloop_add_read_stream(INTERNAL_FUNCTION_PARAMETERS)
   foffset = (size_t)(offset_null == true ? DEFAULT_READV_OFFSET : offset);
 
   iov = emalloc(sizeof(php_iovec_t));
-  iov->iov_base = emalloc(fnbytes);
+  iov->iov_base = ecalloc(1, fnbytes);
   iov->iov_len = fnbytes;
 
   cb = emalloc(sizeof(php_mrloop_cb_t));
@@ -634,7 +634,7 @@ static void php_mrloop_add_write_stream(INTERNAL_FUNCTION_PARAMETERS)
 
   nbytes = ZSTR_LEN(contents);
   iov = emalloc(sizeof(php_iovec_t));
-  iov->iov_base = emalloc(nbytes);
+  iov->iov_base = ecalloc(1, nbytes);
   iov->iov_len = nbytes;
 
   strcpy(iov->iov_base, ZSTR_VAL(contents));
diff --git a/src/loop.h b/src/loop.h
index c130b5d..74c7242 100644
--- a/src/loop.h
+++ b/src/loop.h
@@ -26,7 +26,7 @@
 #define DEFAULT_STREAM_BUFF_LEN 1024
 #define DEFAULT_CONN_BUFF_LEN 8132
 #define DEFAULT_HTTP_HEADER_LIMIT 100
-#define DEFAULT_VECTOR_COUNT 2
+#define DEFAULT_VECTOR_COUNT 1
 #define DEFAULT_READV_OFFSET 0
 #define PHP_MRLOOP_TIMER 1
 #define PHP_MRLOOP_PERIODIC_TIMER 2