diff --git a/Common/base.pri b/Common/base.pri
index 15fd660303..7b41582266 100644
--- a/Common/base.pri
+++ b/Common/base.pri
@@ -203,22 +203,20 @@ core_linux {
     QMAKE_CUSTOM_SYSROOT = $$(QMAKE_CUSTOM_SYSROOT)
 	QMAKE_CUSTOM_SYSROOT_BIN = $$(QMAKE_CUSTOM_SYSROOT)/usr/bin/
 
-    # todo 32bit support?
-	core_linux_64 {
-	    QMAKE_CUSTOM_SYSROOT_LIB = $$(QMAKE_CUSTOM_SYSROOT)/usr/lib/x86_64-linux-gnu
-	}
+    core_linux_64 {
+	    !linux_arm64 { # x86_64
+		    QMAKE_CUSTOM_SYSROOT_LIB = $$(QMAKE_CUSTOM_SYSROOT)/usr/lib/x86_64-linux-gnu
+			!isEmpty(QMAKE_CUSTOM_SYSROOT) {
+			    message("using custom sysroot $$QMAKE_CUSTOM_SYSROOT")
+				QMAKE_CC          = $$join(QMAKE_CUSTOM_SYSROOT_BIN, , , "gcc")
+				QMAKE_CXX         = $$join(QMAKE_CUSTOM_SYSROOT_BIN, , , "g++")
+				QMAKE_LINK        = $$join(QMAKE_CUSTOM_SYSROOT_BIN, , , "g++")
+				QMAKE_LINK_SHLIB  = $$join(QMAKE_CUSTOM_SYSROOT_BIN, , , "g++")
 
-	QMAKE_CUSTOM_SYSROOT_INCLUDE = $$(QMAKE_CUSTOM_SYSROOT)/usr/include
-
-    !isEmpty(QMAKE_CUSTOM_SYSROOT) {
-	    message("using custom sysroot $$QMAKE_CUSTOM_SYSROOT")
-		QMAKE_CC          = $$join(QMAKE_CUSTOM_SYSROOT_BIN, , , "gcc")
-		QMAKE_CXX         = $$join(QMAKE_CUSTOM_SYSROOT_BIN, , , "g++")
-		QMAKE_LINK        = $$join(QMAKE_CUSTOM_SYSROOT_BIN, , , "g++")
-		QMAKE_LINK_SHLIB  = $$join(QMAKE_CUSTOM_SYSROOT_BIN, , , "g++")
-
-        QMAKE_CXXFLAGS    += --sysroot $$QMAKE_CUSTOM_SYSROOT
-		QMAKE_LFLAGS      += --sysroot $$QMAKE_CUSTOM_SYSROOT
+                QMAKE_CXXFLAGS    += --sysroot $$QMAKE_CUSTOM_SYSROOT
+				QMAKE_LFLAGS      += --sysroot $$QMAKE_CUSTOM_SYSROOT
+			}
+		}
 	}
 }
 core_linux_host_arm64 {