diff --git a/meta-demoapps/recipes-connectivity/opensync/libsyncml_0.5.4.bb b/meta-demoapps/recipes-connectivity/opensync/libsyncml_0.5.4.bb
index c045698031..e96463bbaf 100644
--- a/meta-demoapps/recipes-connectivity/opensync/libsyncml_0.5.4.bb
+++ b/meta-demoapps/recipes-connectivity/opensync/libsyncml_0.5.4.bb
@@ -14,4 +14,4 @@ PACKAGES += "${PN}-tools"
 FILES_${PN}-tools = "${bindir}"
 FILES_${PN} = "${libdir}/*.so.*"
 
-export VERBOSE=1
+export VERBOSE="1"
diff --git a/meta/recipes-devtools/guile/guile_2.0.3.bb b/meta/recipes-devtools/guile/guile_2.0.3.bb
index 729aed0402..538ff46c99 100644
--- a/meta/recipes-devtools/guile/guile_2.0.3.bb
+++ b/meta/recipes-devtools/guile/guile_2.0.3.bb
@@ -39,7 +39,7 @@ do_configure_prepend() {
 	mkdir -p po
 }
 
-export GUILE_FOR_BUILD=${BUILD_SYS}-guile
+export GUILE_FOR_BUILD="${BUILD_SYS}-guile"
 
 do_compile_append() {
 	# just for target recipe
diff --git a/meta/recipes-graphics/cairo/cairo.inc b/meta/recipes-graphics/cairo/cairo.inc
index 1d5d551cc7..69984cbc88 100644
--- a/meta/recipes-graphics/cairo/cairo.inc
+++ b/meta/recipes-graphics/cairo/cairo.inc
@@ -27,4 +27,4 @@ EXTRA_OECONF += "${@get_cairo_fpu_setting(bb, d)} \
 inherit autotools pkgconfig
 
 # We don't depend on binutils so we need to disable this
-export ac_cv_lib_bfd_bfd_openr=no
+export ac_cv_lib_bfd_bfd_openr="no"