diff --git a/src/Editeur.cc b/src/Editeur.cc
index d69dce2..f7725bb 100644
--- a/src/Editeur.cc
+++ b/src/Editeur.cc
@@ -3,7 +3,6 @@
 #include "Input.h"
 #include "Tableur.h"
 #include "Python.h"
-Fl_Tabs * xcas_main_tab=0;
 #ifdef HAVE_LIBMICROPYTHON
 extern "C" int mp_token(const char * line);
 #endif
@@ -27,6 +26,7 @@ extern "C" int mp_token(const char * line);
 
 
 #ifdef HAVE_LIBFLTK
+Fl_Tabs * xcas_main_tab=0;
 #include <FL/fl_ask.H>
 #include <FL/fl_ask.H>
 #include <FL/Fl_Return_Button.H>
diff --git a/src/icas.cc b/src/icas.cc
index a5e3711..44ec905 100644
--- a/src/icas.cc
+++ b/src/icas.cc
@@ -2166,11 +2166,13 @@ int main(int ARGC, char *ARGV[]){
 	printf("%s\n","Running ./xcas");
 	continue;
       }
+#ifdef HAVE_LIBFLTK
       if (s=="xcas"){
 	giac::gen ge; std::string filename;
 	xcas::fltk_view(0,ge,"session.xws",filename,5,contextptr);
 	continue;
       }
+#endif
       if (s=="giac"){
 	python_compat(python_compat(contextptr)&3,contextptr);
 	printf("%s\n","Switching to giac interpreter");
@@ -2251,7 +2253,9 @@ int main(int ARGC, char *ARGV[]){
 #else
       start=clock();
 #endif
+#ifdef HAVE_LIBFLTK
       xcas::icas_eval(gq,ge,reading_file,filename,contextptr);
+#endif
 #ifdef __APPLE_
       startc=clock()-startc;
 #endif
@@ -2265,9 +2269,11 @@ int main(int ARGC, char *ARGV[]){
       // 2-d plot?
       int graph_output=graph_output_type(ge);
       if (reading_file>=2 || graph_output || (giac::ckmatrix(ge,true) &&ge.subtype==giac::_SPREAD__VECT) ){
+#ifdef HAVE_LIBFLTK
 	if (xcas::fltk_view(gq,ge,"",filename,reading_file,contextptr))
 	  cout << "Done";
 	else
+#endif
 	  cout << "Plot cancelled or unable to plot";
       }
       else {