diff --git a/docker/Dockerfile b/docker/Dockerfile
index abe4b05..00c4027 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,35 +1,41 @@
-FROM rust:1.38
+FROM ubuntu:16.04
 LABEL Description="Rust compile env for Linux + Windows (cross)"
 
 RUN apt update
-RUN apt install -y build-essential mingw-w64 gcc-aarch64-linux-gnu gcc-arm-linux-gnueabihf
+RUN apt install -y build-essential mingw-w64 gcc-aarch64-linux-gnu gcc-arm-linux-gnueabihf curl vim wget
+
+# Get Rust
+RUN curl https://sh.rustup.rs -sSf | bash -s -- -y
+ENV PATH="/root/.cargo/bin:${PATH}"
 
 RUN rustup target add x86_64-pc-windows-gnu
 RUN rustup target add aarch64-unknown-linux-gnu
 RUN rustup target add armv7-unknown-linux-gnueabihf
 
 # Append the linker to the cargo config for Windows cross compile
-RUN echo "[target.x86_64-pc-windows-gnu]" >> /usr/local/cargo/config && \
-    echo "linker = '/usr/bin/x86_64-w64-mingw32-gcc'" >> /usr/local/cargo/config
+RUN echo "[target.x86_64-pc-windows-gnu]" >> /root/.cargo/config && \
+    echo "linker = '/usr/bin/x86_64-w64-mingw32-gcc'" >> /root/.cargo/config
 
-RUN echo "[target.aarch64-unknown-linux-gnu]" >> /usr/local/cargo/config && \
-    echo "linker = '/usr/bin/aarch64-linux-gnu-gcc'" >> /usr/local/cargo/config
+RUN echo "[target.aarch64-unknown-linux-gnu]" >> /root/.cargo/config && \
+    echo "linker = '/usr/bin/aarch64-linux-gnu-gcc'" >> /root/.cargo/config
 
-RUN echo "[target.armv7-unknown-linux-gnueabihf]" >> /usr/local/cargo/config && \
-    echo "linker = '/usr/bin/arm-linux-gnueabihf-gcc'" >> /usr/local/cargo/config
+RUN echo "[target.armv7-unknown-linux-gnueabihf]" >> /root/.cargo/config && \
+    echo "linker = '/usr/bin/arm-linux-gnueabihf-gcc'" >> /root/.cargo/config
 
 ENV CC_x86_64_unknown_linux_musl="gcc" 
 ENV CC_aarch64_unknown_linux_gnu="aarch64-linux-gnu-gcc" 
 ENV CC_armv7_unknown_linux_gnueabhihf="arm-linux-gnueabihf-gcc"
 
 # This is a bug fix for the windows cross compiler for Rust.
-RUN cp /usr/x86_64-w64-mingw32/lib/crt2.o /usr/local/rustup/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-pc-windows-gnu/lib/crt2.o
+RUN cp /usr/x86_64-w64-mingw32/lib/crt2.o /root/.rustup/toolchains/stable-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-pc-windows-gnu/lib/crt2.o
 
 # For windows cross compilation, use a pre-build binary. Remember to set the
 # SODIUM_LIB_DIR for windows cross compilation
 RUN cd /opt && wget https://download.libsodium.org/libsodium/releases/libsodium-1.0.17-mingw.tar.gz && \
     tar xvf libsodium-1.0.17-mingw.tar.gz     
 
+RUN apt install -y git
+
 # Cargo fetch the dependencies so we don't download them over and over again
 RUN cd /tmp && git clone https://github.com/adityapk00/zecwallet-light-cli.git && \
     cd zecwallet-light-cli && \
diff --git a/lib/src/lightwallet.rs b/lib/src/lightwallet.rs
index a9db4c0..71d1005 100644
--- a/lib/src/lightwallet.rs
+++ b/lib/src/lightwallet.rs
@@ -767,7 +767,7 @@ impl LightWallet {
                             None    => true
                         }
                     })
-                    .map(|nd| if nd.spent.is_none() { nd.note.value } else { 0 })
+                    .map(|nd| if nd.spent.is_none() && nd.unconfirmed_spent.is_none() { nd.note.value } else { 0 })
                     .sum::<u64>()
             })
             .sum::<u64>()
diff --git a/lib/src/lightwallet/tests.rs b/lib/src/lightwallet/tests.rs
index 2997694..69fdbae 100644
--- a/lib/src/lightwallet/tests.rs
+++ b/lib/src/lightwallet/tests.rs
@@ -706,6 +706,12 @@ fn test_z_spend_to_z() {
     let branch_id = u32::from_str_radix("2bb40e60", 16).unwrap();
     let (ss, so) = get_sapling_params().unwrap();
 
+    // Make sure that the balance exists 
+    {
+        assert_eq!(wallet.zbalance(None), AMOUNT1);
+        assert_eq!(wallet.verified_zbalance(None), AMOUNT1);
+    }
+
     // Create a tx and send to address
     let raw_tx = wallet.send_to_address(branch_id, &ss, &so,
                             vec![(&ext_address, AMOUNT_SENT, Some(outgoing_memo.clone()))]).unwrap();
@@ -736,6 +742,12 @@ fn test_z_spend_to_z() {
         assert_eq!(mem[&sent_txid].outgoing_metadata[0].memo.to_utf8().unwrap().unwrap(), outgoing_memo);
     }
 
+    {
+        // The wallet should deduct this from the balance and verified balance
+        assert_eq!(wallet.zbalance(None), 0);
+        assert_eq!(wallet.verified_zbalance(None), 0);
+    }
+
     let mut cb3 = FakeCompactBlock::new(2, block_hash);
     cb3.add_tx(&sent_tx);
     wallet.scan_block(&cb3.as_bytes()).unwrap();