diff --git a/app/main.f90 b/app/main.f90
index bbf9bcd..78e71e5 100644
--- a/app/main.f90
+++ b/app/main.f90
@@ -34,6 +34,8 @@ program main
    call pt_envelopes
    call cpu_time(et)
    print *, "PT: ", (et - st)*1000, "cpu ms"
+      
+   call exit
 
    ! PX Envelopes
    call cpu_time(st)
@@ -52,6 +54,12 @@ subroutine setup_cli
          help="Input file", &
          error=cli_error, &
          required=.true.)
+      call cli%add( &
+         switch="--injection", &
+         switch_ab="-px", &
+         help="Trace Px lines", &
+         error=cli_error, &
+         required=.false.)
       call cli%parse(error=cli_error)
 
       if (cli_error /= 0) stop
diff --git a/fpm.toml b/fpm.toml
index 9c6786f..564609e 100644
--- a/fpm.toml
+++ b/fpm.toml
@@ -6,7 +6,7 @@ maintainer = "federico.benelli@mi.unc.edu.ar"
 copyright = "Copyright 2023, Federico E. Benelli"
 
 [build]
-link = ["lapack"]
+link = ["blas"]
 auto-executables = true
 auto-tests = true
 auto-examples = true
@@ -16,7 +16,7 @@ library = false
 
 [dependencies]
 stdlib = "*"
-minpack= "*"
+# minpack= "*"
 ftools = { git = "https://github.com/fedebenelli/ftools" }
 yaeos  = { git = "https://github.com/fedebenelli/yaeos"  }
 FLAP   = { git = "https://github.com/szaghi/FLAP", tag="v1.2.5" }
@@ -30,4 +30,4 @@ implicit-typing   = false # default: false
 
 [preprocess]
 [preprocess.cpp]
-[preprocess.fypp]
+[preprocess.fypp]
\ No newline at end of file