diff --git a/Makefile b/Makefile
index d49f63fc..e84d1bc4 100755
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 APP=pybitmessage
-VERSION=0.3.2
+VERSION=0.3.3
 DEST_SHARE=$(DESTDIR)/usr/share
 DEST_APP=$(DEST_SHARE)/$(APP)
 
@@ -11,7 +11,6 @@ source:
 	tar -cvzf ../$(APP)_$(VERSION).orig.tar.gz ../$(APP)-$(VERSION) --exclude-vcs
 
 install:
-	mkdir -m 755 -p $(DESTDIR)/usr/bin
 	mkdir -m 755 -p $(DEST_APP)
 	mkdir -m 755 -p $(DEST_SHARE)/applications
 	mkdir -m 755 -p $(DEST_APP)/images
@@ -35,7 +34,7 @@ install:
 	install -m 644 src/pyelliptic/*.py $(DEST_APP)/pyelliptic
 	install -m 644 src/socks/*.py $(DEST_APP)/socks
 	install -m 644 src/bitmessageqt/*.py $(DEST_APP)/bitmessageqt
-	install -m 755 debian/pybm $(DESTDIR)/usr/bin/$(APP)
+	install -m 755 debian/pybm /usr/bin/pybitmessage
 
 	install -m 644 desktop/$(APP).desktop $(DEST_SHARE)/applications/$(APP).desktop
 	install -m 644 src/images/can-icon-24px.png $(DEST_SHARE)/icons/hicolor/24x24/apps/$(APP).png
diff --git a/debian.sh b/debian.sh
index 69bdcba8..a26398e3 100755
--- a/debian.sh
+++ b/debian.sh
@@ -8,7 +8,7 @@
 
 APP=pybitmessage
 PREV_VERSION=0.3.2
-VERSION=0.3.2
+VERSION=0.3.3
 ARCH_TYPE=all
 
 #update version numbers automatically - so you don't have to
diff --git a/desktop/pybitmessage.desktop b/desktop/pybitmessage.desktop
index 2b1b6902..363908dd 100644
--- a/desktop/pybitmessage.desktop
+++ b/desktop/pybitmessage.desktop
@@ -7,12 +7,12 @@ Comment=Send encrypted messages to another person or to many subscribers
 Exec=pybitmessage %U
 Icon=pybitmessage
 Terminal=false
-Categories=Network;Email;Application;
-Keywords=Email;E-mail;Newsgroup;Messaging;
+Categories=Network;Email;Application
+Keywords=Email;E-mail;Newsgroup;Messaging
 X-MessagingMenu-UsesChatSection=true
 X-Ubuntu-Gettext-Domain=pybitmessage
 
-Actions=Send;Subscribe;AddressBook;
+Actions=Send;Subscribe;AddressBook
 
 [Desktop Action Send]
 Name=Send
@@ -27,4 +27,4 @@ OnlyShowIn=Unity;
 [Desktop Action AddressBook]
 Name=Address Book
 Exec=pybitmessage -a
-OnlyShowIn=Unity;
+OnlyShowIn=Unity;
\ No newline at end of file
diff --git a/src/bitmessagemain.py b/src/bitmessagemain.py
index e53fee3a..4f612904 100755
--- a/src/bitmessagemain.py
+++ b/src/bitmessagemain.py
@@ -650,7 +650,9 @@ class receiveDataThread(threading.Thread):
                 readPosition += signatureLengthLength
                 signature = data[readPosition:readPosition+signatureLength]
                 try:
-                    highlevelcrypto.verify(data[12:readPositionAtBottomOfMessage],signature,sendersPubSigningKey.encode('hex'))
+                    if not highlevelcrypto.verify(data[12:readPositionAtBottomOfMessage],signature,sendersPubSigningKey.encode('hex')):
+                        print 'ECDSA verify failed'
+                        return
                     print 'ECDSA verify passed'
                 except Exception, err:
                     print 'ECDSA verify failed', err
@@ -783,7 +785,9 @@ class receiveDataThread(threading.Thread):
             readPosition += signatureLengthLength
             signature = decryptedData[readPosition:readPosition+signatureLength]
             try:
-                highlevelcrypto.verify(decryptedData[:readPositionAtBottomOfMessage],signature,sendersPubSigningKey.encode('hex'))
+                if not highlevelcrypto.verify(decryptedData[:readPositionAtBottomOfMessage],signature,sendersPubSigningKey.encode('hex')):
+                    print 'ECDSA verify failed'
+                    return
                 print 'ECDSA verify passed'
             except Exception, err:
                 print 'ECDSA verify failed', err
@@ -1024,7 +1028,9 @@ class receiveDataThread(threading.Thread):
             readPosition += signatureLengthLength
             signature = decryptedData[readPosition:readPosition+signatureLength]
             try:
-                highlevelcrypto.verify(decryptedData[:positionOfBottomOfAckData],signature,pubSigningKey.encode('hex'))
+                if not highlevelcrypto.verify(decryptedData[:positionOfBottomOfAckData],signature,pubSigningKey.encode('hex')):
+                    print 'ECDSA verify failed'
+                    return
                 print 'ECDSA verify passed'
             except Exception, err:
                 print 'ECDSA verify failed', err
@@ -1340,7 +1346,9 @@ class receiveDataThread(threading.Thread):
             signatureLength, signatureLengthLength = decodeVarint(data[readPosition:readPosition+10])
             signature = data[readPosition:readPosition+signatureLengthLength]
             try:
-                highlevelcrypto.verify(data[8:readPosition],signature,publicSigningKey.encode('hex'))
+                if not highlevelcrypto.verify(data[8:readPosition],signature,publicSigningKey.encode('hex')):
+                    print 'ECDSA verify failed (within processpubkey)'
+                    return
                 print 'ECDSA verify passed (within processpubkey)'
             except Exception, err:
                 print 'ECDSA verify failed (within processpubkey)', err
diff --git a/src/shared.py b/src/shared.py
index 1aaa0d3a..acc8b3a2 100644
--- a/src/shared.py
+++ b/src/shared.py
@@ -1,4 +1,4 @@
-softwareVersion = '0.3.211'
+softwareVersion = '0.3.3'
 
 import threading
 import sys