diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index 7ad94037c..2e50dc966 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -87,7 +87,7 @@ contains(BITCOIN_NEED_QT_PLUGINS, 1) {
 }
 
 # disable quite some warnings because bitcoin core "sins" a lot
-QMAKE_CXXFLAGS_WARN_ON = -fdiagnostics-show-option -Wall -Wno-strict-aliasing -Wno-invalid-offsetof -Wno-unused-variable -Wno-unused-parameter -Wno-sign-compare -Wno-char-subscripts  -Wno-unused-value -Wno-sequence-point -Wno-parentheses -Wno-unknown-pragmas -Wno-switch
+QMAKE_CXXFLAGS_WARN_ON = -fdiagnostics-show-option -Wall -Wno-strict-aliasing -Wno-invalid-offsetof -Wno-unused-variable -Wno-unused-parameter -Wno-sign-compare -Wno-char-subscripts -Wno-unused-value -Wno-sequence-point -Wno-parentheses -Wno-unknown-pragmas -Wno-switch
 
 # Input
 DEPENDPATH += src/qt src src json/include