diff --git a/dev-lang/ghc/ghc-7.10.3.ebuild b/dev-lang/ghc/ghc-7.10.3.ebuild
index 71edaa18a56cd..4afb2420ef3ec 100644
--- a/dev-lang/ghc/ghc-7.10.3.ebuild
+++ b/dev-lang/ghc/ghc-7.10.3.ebuild
@@ -80,7 +80,7 @@ IUSE+=" elibc_glibc" # system stuff
 RDEPEND="
 	>=dev-lang/perl-5.6.1
 	>=dev-libs/gmp-5:=
-	sys-libs/ncurses:=[unicode]
+	sys-libs/ncurses:0=[unicode]
 	!ghcmakebinary? ( virtual/libffi:= )
 "
 
diff --git a/dev-lang/ghc/ghc-7.8.4.ebuild b/dev-lang/ghc/ghc-7.8.4.ebuild
index 659446b80e5e1..16a49986a1cbf 100644
--- a/dev-lang/ghc/ghc-7.8.4.ebuild
+++ b/dev-lang/ghc/ghc-7.8.4.ebuild
@@ -73,7 +73,7 @@ IUSE+=" elibc_glibc" # system stuff
 RDEPEND="
 	>=dev-lang/perl-5.6.1
 	>=dev-libs/gmp-5:=
-	sys-libs/ncurses:=[unicode]
+	sys-libs/ncurses:0=[unicode]
 	!ghcmakebinary? ( virtual/libffi:= )
 "
 
diff --git a/dev-lang/ghc/ghc-8.0.2.ebuild b/dev-lang/ghc/ghc-8.0.2.ebuild
index bed207b7b136f..67329545ec0f6 100644
--- a/dev-lang/ghc/ghc-8.0.2.ebuild
+++ b/dev-lang/ghc/ghc-8.0.2.ebuild
@@ -78,7 +78,7 @@ IUSE+=" binary"
 RDEPEND="
 	>=dev-lang/perl-5.6.1
 	dev-libs/gmp:0=
-	sys-libs/ncurses:=[unicode]
+	sys-libs/ncurses:0=[unicode]
 	!ghcmakebinary? ( virtual/libffi:= )
 "