--- a/wfview.pro
+++ b/wfview.pro
@@ -33,11 +33,11 @@ CONFIG(debug, release|debug) {
     win32:DESTDIR = wfview-debug
 } else {
     # For Release builds only:
-    linux:QMAKE_CXXFLAGS += -s
+    linux:QMAKE_CXXFLAGS += -O2 -g
     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
 }
 
