diff --git a/qmake/Makefile.unix b/qmake/Makefile.unix
index 1cdf9dee4b5..98d255f2d54 100644
--- a/qmake/Makefile.unix
+++ b/qmake/Makefile.unix
@@ -179,7 +179,8 @@ CPPFLAGS = -g $(EXTRA_CPPFLAGS) \
 	   -DQT_VERSION_STR=\"$(QT_VERSION)\" -DQT_VERSION_MAJOR=$(QT_MAJOR_VERSION) -DQT_VERSION_MINOR=$(QT_MINOR_VERSION) -DQT_VERSION_PATCH=$(QT_PATCH_VERSION) \
 	   -DQT_BUILD_QMAKE -DQT_BOOTSTRAPPED -DPROEVALUATOR_FULL \
            -DQT_NO_FOREACH -DQT_USE_QSTRINGBUILDER \
-           -DPCRE2_CODE_UNIT_WIDTH=16 -DHAVE_CONFIG_H\
+           -DPCRE2_CODE_UNIT_WIDTH=16 -DHAVE_CONFIG_H \
+           -DPCRE2_DISABLE_JIT \
             $(EXTRA_CPPFLAGS)
 
 CXXFLAGS = $(EXTRA_CXXFLAGS) $(CONFIG_CXXFLAGS) $(CPPFLAGS)
diff --git a/qmake/Makefile.win32 b/qmake/Makefile.win32
index 52a7a607e6c..d3a85c17b29 100644
--- a/qmake/Makefile.win32
+++ b/qmake/Makefile.win32
@@ -40,7 +40,7 @@ CFLAGS_BARE = -c -Fo./ -Fdqmake.pdb \
               -DQT_VERSION_STR=\"$(QT_VERSION)\" -DQT_VERSION_MAJOR=$(QT_MAJOR_VERSION) -DQT_VERSION_MINOR=$(QT_MINOR_VERSION) -DQT_VERSION_PATCH=$(QT_PATCH_VERSION) \
               -DQT_BUILD_QMAKE -DQT_BOOTSTRAPPED -DPROEVALUATOR_FULL \
               -DQT_NO_FOREACH -DQT_USE_QSTRINGBUILDER -DUNICODE -D_ENABLE_EXTENDED_ALIGNED_STORAGE \
-              -DPCRE2_CODE_UNIT_WIDTH=16 -DHAVE_CONFIG_H -DPCRE2_STATIC
+              -DPCRE2_CODE_UNIT_WIDTH=16 -DHAVE_CONFIG_H -DPCRE2_STATIC -DPCRE2_DISABLE_JIT
 
 CFLAGS   = $(CFLAGS_BARE) $(CFLAGS)
 
diff --git a/qmake/qmake.pro b/qmake/qmake.pro
index c64017f05b3..243f07ac2c9 100644
--- a/qmake/qmake.pro
+++ b/qmake/qmake.pro
@@ -15,7 +15,8 @@ DEFINES += \
     $$shell_quote(QT_VERSION_STR=\"$$QT_VERSION\") \
     QT_VERSION_MAJOR=$$QT_MAJOR_VERSION \
     QT_VERSION_MINOR=$$QT_MINOR_VERSION \
-    QT_VERSION_PATCH=$$QT_PATCH_VERSION
+    QT_VERSION_PATCH=$$QT_PATCH_VERSION \
+    PCRE2_DISABLE_JIT
 
 win32: DEFINES += \
     UNICODE \