diff --git a/dev-lang/perl/perl-5.18.2.recipe b/dev-lang/perl/perl-5.18.2.recipe
index e819a8c0a..37ebd474a 100644
--- a/dev-lang/perl/perl-5.18.2.recipe
+++ b/dev-lang/perl/perl-5.18.2.recipe
@@ -89,6 +89,7 @@ BUILD_PREREQUIRES="
 	cmd:ld
 	cmd:make
 	cmd:sed
+	cmd:grep
 	"
 
 perlArchName="$(uname -m)-haiku"
diff --git a/sys-apps/diffutils/diffutils-3.3.recipe b/sys-apps/diffutils/diffutils-3.3.recipe
index 241b5b983..3bf416a26 100644
--- a/sys-apps/diffutils/diffutils-3.3.recipe
+++ b/sys-apps/diffutils/diffutils-3.3.recipe
@@ -40,6 +40,7 @@ BUILD_PREREQUIRES="
 	cmd:gcc
 	cmd:awk
 	cmd:sed
+	cmd:grep
 	"
 
 PATCHES="diffutils-3.3.patchset"
diff --git a/sys-apps/sed/sed-4.2.1.recipe b/sys-apps/sed/sed-4.2.1.recipe
index 69ce16c5b..035b553b2 100644
--- a/sys-apps/sed/sed-4.2.1.recipe
+++ b/sys-apps/sed/sed-4.2.1.recipe
@@ -31,6 +31,7 @@ BUILD_PREREQUIRES="
 	cmd:make
 	cmd:perl
 	cmd:sed
+	cmd:grep
 	"
 
 defineDebugInfoPackage sed \
diff --git a/sys-apps/which/which-2.20.recipe b/sys-apps/which/which-2.20.recipe
index bc48528a1..ec6bf8492 100644
--- a/sys-apps/which/which-2.20.recipe
+++ b/sys-apps/which/which-2.20.recipe
@@ -23,6 +23,7 @@ BUILD_PREREQUIRES="
 	cmd:gcc
 	cmd:make
 	cmd:sed
+	cmd:grep
 "
 
 BUILD()
diff --git a/sys-devel/m4/m4-1.4.16.recipe b/sys-devel/m4/m4-1.4.16.recipe
index d30f48c86..038716321 100644
--- a/sys-devel/m4/m4-1.4.16.recipe
+++ b/sys-devel/m4/m4-1.4.16.recipe
@@ -36,6 +36,7 @@ BUILD_PREREQUIRES="
 	cmd:ld
 	cmd:make
 	cmd:sed
+	cmd:grep
 	"
 
 
diff --git a/sys-devel/make/make-3.82.recipe b/sys-devel/make/make-3.82.recipe
index 0d0cd17d2..d6a66d9a6 100644
--- a/sys-devel/make/make-3.82.recipe
+++ b/sys-devel/make/make-3.82.recipe
@@ -32,6 +32,7 @@ BUILD_PREREQUIRES="
 	cmd:ld
 	cmd:libtoolize
 	cmd:sed
+	cmd:grep
 	"