diff --git a/configure b/configure
index cd3baa5ef..e5109b66f 100755
--- a/configure
+++ b/configure
@@ -346,6 +346,12 @@ public:
                 if(!conf->getenv("QC_ENABLE_DEBUG").isEmpty()) {
                   conf->addExtra("CONFIG += debug");
                 }
+                #ifdef Q_OS_FREEBSD
+                  conf->addLib("-lexecinfo");
+                  conf->addExtra("MANPREFIX = \$\$PREFIX");
+                #else
+                  conf->addExtra("MANPREFIX = \$\$PREFIX/share"); 
+                #endif
 		return(QT_VERSION >= 0x040500);
 	}
 };
diff --git a/qcm/qt4.qcm b/qcm/qt4.qcm
index 13f9b33d8..0d6998f59 100644
--- a/qcm/qt4.qcm
+++ b/qcm/qt4.qcm
@@ -21,6 +21,12 @@ public:
                 if(!conf->getenv("QC_ENABLE_DEBUG").isEmpty()) {
                   conf->addExtra("CONFIG += debug");
                 }
+                #ifdef Q_OS_FREEBSD
+                  conf->addLib("-lexecinfo");
+                  conf->addExtra("MANPREFIX = $$PREFIX");
+                #else
+                  conf->addExtra("MANPREFIX = $$PREFIX/share"); 
+                #endif
 		return(QT_VERSION >= 0x040500);
 	}
 };
diff --git a/src/filesystemwatcher.h b/src/filesystemwatcher.h
index aeb82c5c4..a16ac0d9b 100644
--- a/src/filesystemwatcher.h
+++ b/src/filesystemwatcher.h
@@ -12,7 +12,7 @@
 #include <QSet>
 #include <iostream>
 #include <errno.h>
-#ifdef Q_WS_MAC
+#if defined(Q_WS_MAC) || defined(Q_OS_FREEBSD)
 #include <sys/param.h>
 #include <sys/mount.h>
 #include <string.h>
diff --git a/src/misc.cpp b/src/misc.cpp
index 77b091533..aa77093c6 100644
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -60,7 +60,7 @@ const int UNLEN = 256;
 #endif
 
 #ifndef Q_WS_WIN
-#ifdef Q_WS_MAC
+#if defined(Q_WS_MAC) || defined(Q_OS_FREEBSD)
 #include <sys/param.h>
 #include <sys/mount.h>
 #else
diff --git a/unixconf.pri b/unixconf.pri
index 9c6443828..342e3509f 100644
--- a/unixconf.pri
+++ b/unixconf.pri
@@ -19,7 +19,8 @@ nox {
 } else {
     man.files = ../doc/qbittorrent.1
 }
-man.path = $$PREFIX/share/man/man1/
+
+man.path = $$MANPREFIX/man/man1/
 INSTALLS += man
 
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