--- a/wfview.pro
+++ b/wfview.pro
@@ -45,7 +45,7 @@ CONFIG(debug, release|debug) {
     linux:QMAKE_CXXFLAGS += -fvisibility=hidden
     linux:QMAKE_CXXFLAGS += -fvisibility-inlines-hidden
     linux:QMAKE_CXXFLAGS += -faligned-new
-    linux:QMAKE_LFLAGS += -O2 -s
+    linux:QMAKE_LFLAGS += -O2 -g
     win32:DESTDIR = wfview-release
     DEFINES += NDEBUG
 }
