diff --git a/src/meshlabplugins/filter_isoparametrization/filter_isoparametrization.pro b/src/meshlabplugins/filter_isoparametrization/filter_isoparametrization.pro
index 808b0b21..b02cdcff 100644
--- a/src/meshlabplugins/filter_isoparametrization/filter_isoparametrization.pro
+++ b/src/meshlabplugins/filter_isoparametrization/filter_isoparametrization.pro
@@ -53,9 +53,9 @@ win32-msvc2010:LIBS	+= ../../external/lib/win32-msvc2010/levmar.lib
 win32-msvc2012:LIBS	+= ../../external/lib/win32-msvc2012/levmar.lib
 win32-msvc2015:LIBS	+= ../../external/lib/win32-msvc2015/levmar.lib
 win32-g++:LIBS		+= -L../../external/lib/win32-gcc -llevmar
-linux-g++:LIBS		+= -L$$PWD/../../external/lib/linux-g++ -llevmar
-linux-g++-32:LIBS		+= -L$$PWD/../../external/lib/linux-g++-32 -llevmar
-linux-g++-64:LIBS		+= -L$$PWD/../../external/lib/linux-g++-64 -llevmar
+linux-g++:LIBS		+= -llevmar
+linux-g++-32:LIBS		+=  -llevmar
+linux-g++-64:LIBS		+=  -llevmar
 macx:LIBS += $$MACLIBDIR/liblevmar.a
 
 # Please never ever uncomment this...
diff --git a/src/meshlabplugins/filter_mutualinfoxml/levmarmethods.h b/src/meshlabplugins/filter_mutualinfoxml/levmarmethods.h
index 484d6dbf..8c0ae176 100644
--- a/src/meshlabplugins/filter_mutualinfoxml/levmarmethods.h
+++ b/src/meshlabplugins/filter_mutualinfoxml/levmarmethods.h
@@ -12,7 +12,7 @@ sufficient to get a calibrated shot.<br>
 
 #include <list>
 
-#include "../../external/levmar-2.3/lm.h"
+#include <levmar/levmar.h>
 
 
 struct LevmarCorrelation {
diff --git a/src/meshlabplugins/filter_mutualinfoxml/solver.h b/src/meshlabplugins/filter_mutualinfoxml/solver.h
index c45992b2..4d7b7405 100644
--- a/src/meshlabplugins/filter_mutualinfoxml/solver.h
+++ b/src/meshlabplugins/filter_mutualinfoxml/solver.h
@@ -5,7 +5,7 @@
 #include "alignset.h"
 
 #include "parameters.h"
-#include "../../external/levmar-2.3/lm.h"
+#include <levmar/levmar.h>
 
 #include <iostream>
 #include <fstream>
diff --git a/src/meshlabplugins/edit_mutualcorrs/edit_mutualcorrs.pro b/src/meshlabplugins/edit_mutualcorrs/edit_mutualcorrs.pro
index ce494321..6eb7596b 100644
--- a/src/meshlabplugins/edit_mutualcorrs/edit_mutualcorrs.pro
+++ b/src/meshlabplugins/edit_mutualcorrs/edit_mutualcorrs.pro
@@ -29,8 +29,8 @@ win32-msvc:  LIBS += ../../external/lib/win32-msvc/levmar.lib
 win32-msvc2013:  LIBS += ../../external/lib/win32-msvc2013/levmar.lib
 win32-msvc2015:  LIBS += ../../external/lib/win32-msvc2015/levmar.lib
 win32-g++:LIBS += -L../../external -llevmar
-linux-g++:LIBS += -L$$PWD/../../external/lib/linux-g++ -llevmar
-linux-g++-32:LIBS += -L$$PWD/../../external/lib/linux-g++-32 -llevmar
-linux-g++-64:LIBS += -L$$PWD/../../external/lib/linux-g++-64 -llevmar
+linux-g++:LIBS += -llevmar
+linux-g++-32:LIBS += -llevmar
+linux-g++-64:LIBS += -llevmar
 macx:LIBS            += $$MACLIBDIR/liblevmar.a
 
diff --git a/src/meshlabplugins/edit_mutualcorrs/levmarmethods.h b/src/meshlabplugins/edit_mutualcorrs/levmarmethods.h
index 484d6dbf..8c0ae176 100644
--- a/src/meshlabplugins/edit_mutualcorrs/levmarmethods.h
+++ b/src/meshlabplugins/edit_mutualcorrs/levmarmethods.h
@@ -12,7 +12,7 @@ sufficient to get a calibrated shot.<br>
 
 #include <list>
 
-#include "../../external/levmar-2.3/lm.h"
+#include <levmar/levmar.h>
 
 
 struct LevmarCorrelation {
diff --git a/src/meshlabplugins/edit_mutualcorrs/solver.h b/src/meshlabplugins/edit_mutualcorrs/solver.h
index 05e99c5e..81bbb7f2 100644
--- a/src/meshlabplugins/edit_mutualcorrs/solver.h
+++ b/src/meshlabplugins/edit_mutualcorrs/solver.h
@@ -5,7 +5,7 @@
 #include "alignset.h"
 
 #include "parameters.h"
-#include "../../external/levmar-2.3/lm.h"
+#include <levmar/levmar.h>
 
 #include <iostream>
 #include <fstream>
diff --git a/src/meshlabplugins/filter_mutualglobal/levmarmethods.h b/src/meshlabplugins/filter_mutualglobal/levmarmethods.h
index 484d6dbf..8c0ae176 100644
--- a/src/meshlabplugins/filter_mutualglobal/levmarmethods.h
+++ b/src/meshlabplugins/filter_mutualglobal/levmarmethods.h
@@ -12,7 +12,7 @@ sufficient to get a calibrated shot.<br>
 
 #include <list>
 
-#include "../../external/levmar-2.3/lm.h"
+#include <levmar/levmar.h>
 
 
 struct LevmarCorrelation {
diff --git a/src/meshlabplugins/filter_mutualglobal/solver.h b/src/meshlabplugins/filter_mutualglobal/solver.h
index c45992b2..4d7b7405 100644
--- a/src/meshlabplugins/filter_mutualglobal/solver.h
+++ b/src/meshlabplugins/filter_mutualglobal/solver.h
@@ -5,7 +5,7 @@
 #include "alignset.h"
 
 #include "parameters.h"
-#include "../../external/levmar-2.3/lm.h"
+#include <levmar/levmar.h>
 
 #include <iostream>
 #include <fstream>