diff --git a/background_installer.sh b/background_installer.sh
index 3c3d682..43d866a 100755
--- a/background_installer.sh
+++ b/background_installer.sh
@@ -23,15 +23,17 @@ fi
 function linux_install_deps {
     $1 apt-get update
     $1 apt-get install -y build-essential pkg-config bison flex autoconf \
-                          automake libtool make git python2.7 python-pip  \
-                          sqlite3 cmake git
+                          automake libtool make git python2.7 \
+                          sqlite3 cmake git curl
+    curl https://bootstrap.pypa.io/get-pip.py --output get-pip.py
+    $1 python2.7 get-pip.py
 }
 
 function install_py_deps {
-    $1 pip install flask
-    $1 pip install flask-login
-    $1 pip install pyserial
-    $1 pip install pymodbus
+    $1 pip2 install flask
+    $1 pip2 install flask-login
+    $1 pip2 install pyserial
+    $1 pip2 install pymodbus
 }
 
 function install_all_libs {
diff --git a/utils/matiec_src/lib/C/iec_std_FB.h b/utils/matiec_src/lib/C/iec_std_FB.h
index b4416d2..d6d9614 100644
--- a/utils/matiec_src/lib/C/iec_std_FB.h
+++ b/utils/matiec_src/lib/C/iec_std_FB.h
@@ -613,8 +613,8 @@ static void F_TRIG_body__(F_TRIG *data__) {
   }
   // Initialise TEMP variables
 
-  __SET_VAR(data__->,Q,,(!(__GET_VAR(data__->CLK,)) && !(__GET_VAR(data__->M,))));
-  __SET_VAR(data__->,M,,!(__GET_VAR(data__->CLK,)));
+  __SET_VAR(data__->,Q,,(!(__GET_VAR(data__->CLK,)) && (__GET_VAR(data__->M,))));
+  __SET_VAR(data__->,M,,__GET_VAR(data__->CLK,));
 
   goto __end;
 
diff --git a/utils/matiec_src/lib/edge_detection.txt b/utils/matiec_src/lib/edge_detection.txt
index 69c0dfe..a7ad4d6 100755
--- a/utils/matiec_src/lib/edge_detection.txt
+++ b/utils/matiec_src/lib/edge_detection.txt
@@ -29,7 +29,7 @@ FUNCTION_BLOCK F_TRIG
      VAR_INPUT  CLK: BOOL; END_VAR
      VAR_OUTPUT   Q: BOOL; END_VAR
      VAR RETAIN M: BOOL; END_VAR
-Q := NOT CLK AND NOT M;
-M := NOT CLK;
+Q := NOT CLK AND M;
+M := CLK;
 END_FUNCTION_BLOCK
 
diff --git a/webserver/scripts/start_openplc.sh b/webserver/scripts/start_openplc.sh
index 6952809..dd276ac 100755
--- a/webserver/scripts/start_openplc.sh
+++ b/webserver/scripts/start_openplc.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 cd webserver
-python2 webserver.py
+python2.7 webserver.py