diff --git a/thermosphere/Makefile b/thermosphere/Makefile
index 6e8386692..7fdb177d8 100644
--- a/thermosphere/Makefile
+++ b/thermosphere/Makefile
@@ -72,6 +72,7 @@ CFLAGS	:= \
 	-fno-unwind-tables \
 	-std=gnu11 \
 	-Wall \
+	-Werror \
 	-Wno-main \
 	$(ARCH) $(DEFINES)
 
diff --git a/thermosphere/src/gdb/net.c b/thermosphere/src/gdb/net.c
index d02c9ec47..5aebdbefb 100644
--- a/thermosphere/src/gdb/net.c
+++ b/thermosphere/src/gdb/net.c
@@ -236,6 +236,8 @@ int GDB_ReceivePacket(GDBContext *ctx)
         ctx->state = GDB_STATE_ATTACHED;
     }
 
+    // Debug
+    ctx->buffer[checksumPos + 2] = '\0';
     DEBUGRAW("->");
     DEBUGRAW(ctx->buffer);
     DEBUGRAW("\n");
diff --git a/thermosphere/src/gdb/thread.c b/thermosphere/src/gdb/thread.c
index 9c90b0f71..e962cb146 100644
--- a/thermosphere/src/gdb/thread.c
+++ b/thermosphere/src/gdb/thread.c
@@ -70,8 +70,7 @@ GDB_DECLARE_QUERY_HANDLER(fThreadInfo)
 {
     // We have made our GDB packet big enough to list all the thread ids (coreIds + 1 for each coreId)
     char *buf = ctx->buffer + 1;
-    int n = 1;
-    buf[0] = 'm';
+    size_t n = 0;
 
     u32 coreMask = ctx->attachedCoreList;
 
@@ -89,7 +88,7 @@ GDB_DECLARE_QUERY_HANDLER(sThreadInfo)
 {
     // We have made our GDB packet big enough to list all the thread ids (coreIds + 1 for each coreId) in fThreadInfo
     // Note: we assume GDB doesn't accept notifications during the sequence transfer...
-    return GDB_SendPacket(ctx, "m", 1);
+    return GDB_SendPacket(ctx, "l", 1);
 }
 
 GDB_DECLARE_QUERY_HANDLER(ThreadEvents)