diff --git a/debian/rules b/debian/rules
index de7ce33..a295da3 100755
--- a/debian/rules
+++ b/debian/rules
@@ -40,7 +40,7 @@ endif
 ifneq "$(wildcard /usr/share/misc/config.guess)" ""
 	cp -f /usr/share/misc/config.guess config.guess
 endif
-	"CPPFLAGS=-DALLOW_SSL_0_8 -std=c++0x" ./configure $(CROSS) --prefix=/usr --mandir=\$${prefix}/share/man --infodir=\$${prefix}/share/info CFLAGS="$(CFLAGS)"
+	CPPFLAGS="-DALLOW_SSL_0_8 -std=c++0x" ./configure $(CROSS) --prefix=/usr --mandir=\$${prefix}/share/man --infodir=\$${prefix}/share/info CFLAGS="$(CFLAGS)"
 # does not work: LDFLAGS="-Wl,-z,defs"