diff --git a/lib/parsers.c b/lib/parsers.c
index 8d562219..d023e9b6 100644
--- a/lib/parsers.c
+++ b/lib/parsers.c
@@ -442,22 +442,32 @@ static int libwebsocket_rx_sm(struct libwebsocket *wsi, unsigned char c)
 			/* kill the connection */
 			return -1;
 		}
+#if defined __LP64__
 		wsi->rx_packet_length = ((size_t)c) << 56;
+#else
+		wsi->rx_packet_length = 0;
+#endif
 		wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_7;
 		break;
 
 	case LWS_RXPS_04_FRAME_HDR_LEN64_7:
+#if defined __LP64__
 		wsi->rx_packet_length |= ((size_t)xor_mask(wsi, c)) << 48;
+#endif
 		wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_6;
 		break;
 
 	case LWS_RXPS_04_FRAME_HDR_LEN64_6:
+#if defined __LP64__
 		wsi->rx_packet_length |= ((size_t)xor_mask(wsi, c)) << 40;
+#endif
 		wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_5;
 		break;
 
 	case LWS_RXPS_04_FRAME_HDR_LEN64_5:
+#if defined __LP64__
 		wsi->rx_packet_length |= ((size_t)xor_mask(wsi, c)) << 32;
+#endif
 		wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_4;
 		break;
 
@@ -742,22 +752,32 @@ int libwebsocket_client_rx_sm(struct libwebsocket *wsi, unsigned char c)
 			/* kill the connection */
 			return -1;
 		}
+#if defined __LP64__
 		wsi->rx_packet_length = ((size_t)c) << 56;
+#else
+		wsi->rx_packet_length =0;
+#endif
 		wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_7;
 		break;
 
 	case LWS_RXPS_04_FRAME_HDR_LEN64_7:
+#if defined __LP64__
 		wsi->rx_packet_length |= ((size_t)c) << 48;
+#endif
 		wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_6;
 		break;
 
 	case LWS_RXPS_04_FRAME_HDR_LEN64_6:
+#if defined __LP64__
 		wsi->rx_packet_length |= ((size_t)c) << 40;
+#endif
 		wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_5;
 		break;
 
 	case LWS_RXPS_04_FRAME_HDR_LEN64_5:
+#if defined __LP64__
 		wsi->rx_packet_length |= ((size_t)c) << 32;
+#endif
 		wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_4;
 		break;
 
diff --git a/libwebsockets.spec b/libwebsockets.spec
index de0c0033..e2e489ea 100644
--- a/libwebsockets.spec
+++ b/libwebsockets.spec
@@ -1,6 +1,6 @@
 Name: libwebsockets
 Version: 0.1
-Release: 41.gmaster_91ef816b%{?dist}
+Release: 43.gmaster_b6e6ebee%{?dist}
 Summary: Websocket Server Library
 
 Group: System