diff --git a/src/desktop/desktop.pri b/src/desktop/desktop.pri
index 37600cd2..642e014c 100644
--- a/src/desktop/desktop.pri
+++ b/src/desktop/desktop.pri
@@ -23,3 +23,4 @@ macx:SOURCES += src/desktop/UBWindowCapture_mac.mm
 
 linux-g++:SOURCES += src/desktop/UBWindowCapture_linux.cpp
 linux-g++-32:SOURCES += src/desktop/UBWindowCapture_linux.cpp
+linux-g++-64:SOURCES += src/desktop/UBWindowCapture_linux.cpp
diff --git a/src/frameworks/frameworks.pri b/src/frameworks/frameworks.pri
index 2f317b93..4a53c6aa 100644
--- a/src/frameworks/frameworks.pri
+++ b/src/frameworks/frameworks.pri
@@ -39,3 +39,7 @@ linux-g++-32 {
 
     SOURCES  += src/frameworks/UBPlatformUtils_linux.cpp
 }
+linux-g++-64 {
+
+    SOURCES  += src/frameworks/UBPlatformUtils_linux.cpp
+}
diff --git a/src/gui/gui.pri b/src/gui/gui.pri
index 1e65ca8f..20075dfb 100644
--- a/src/gui/gui.pri
+++ b/src/gui/gui.pri
@@ -119,3 +119,7 @@ linux-g++-32 {
 
     SOURCES  += src/gui/UBKeyboardPalette_linux.cpp
 }
+linux-g++-64 {
+
+    SOURCES  += src/gui/UBKeyboardPalette_linux.cpp
+}
diff --git a/src/pdf-merger/pdfMerger.pri b/src/pdf-merger/pdfMerger.pri
index c976b39d..edc8d1fd 100644
--- a/src/pdf-merger/pdfMerger.pri
+++ b/src/pdf-merger/pdfMerger.pri
@@ -78,3 +78,8 @@ linux-g++-32 {
    LIBS += -lz
 
 }
+linux-g++-64 {
+
+   LIBS += -lz
+
+}