diff --git a/mkspecs/features/common_pre.prf b/mkspecs/features/common_pre.prf
index b83330a22..26ca79b7f 100644
--- a/mkspecs/features/common_pre.prf
+++ b/mkspecs/features/common_pre.prf
@@ -62,6 +62,12 @@ swiftConfig(ccache) {
     msvc:       QMAKE_CXX = clcache
     else:macx:  QMAKE_CXX = /usr/local/bin/ccache $$QMAKE_CXX
     else:gcc:   QMAKE_CXX = ccache $$QMAKE_CXX
+    unix {
+        QMAKE_CFLAGS_DEBUG                      *= -fdebug-prefix-map=$$(CCACHE_BASEDIR)=.
+        QMAKE_CFLAGS_RELEASE_WITH_DEBUGINFO     *= -fdebug-prefix-map=$$(CCACHE_BASEDIR)=.
+        QMAKE_CXXFLAGS_DEBUG                    *= -fdebug-prefix-map=$$(CCACHE_BASEDIR)=.
+        QMAKE_CXXFLAGS_RELEASE_WITH_DEBUGINFO   *= -fdebug-prefix-map=$$(CCACHE_BASEDIR)=.
+    }
 }
 
 ################################
diff --git a/scripts/jenkins.py b/scripts/jenkins.py
index 7ebe9e2cf..229170d32 100644
--- a/scripts/jenkins.py
+++ b/scripts/jenkins.py
@@ -55,6 +55,7 @@ class Builder:
         os.environ['CLCACHE_DIR'] = 'C:\\clcache' # workaround https://github.com/frerich/clcache/issues/342
         os.environ['CLCACHE_BASEDIR'] = os.environ['WORKSPACE']
         os.environ['CCACHE_BASEDIR'] = os.environ['WORKSPACE']
+        os.environ['CCACHE_NOHASHDIR'] = '1'
 
     def build(self, jobs, qmake_args, dev_build, eolInMonth):
         """