diff --git a/net-misc/socat/socat-1.7.4.4-r1.ebuild b/net-misc/socat/socat-1.7.4.4-r1.ebuild
index a4f9e42648072..f759ca5072f49 100644
--- a/net-misc/socat/socat-1.7.4.4-r1.ebuild
+++ b/net-misc/socat/socat-1.7.4.4-r1.ebuild
@@ -46,4 +46,8 @@ src_install() {
 
 	docinto html
 	dodoc doc/*.html doc/*.css
+
+	if use elibc_musl; then
+		QA_CONFIG_IMPL_DECL_SKIP=( getprotobynumber_r )
+	fi
 }
diff --git a/net-misc/socat/socat-1.8.0.0.ebuild b/net-misc/socat/socat-1.8.0.0.ebuild
index e058ec5fe1dc8..6f3eb9e0cf578 100644
--- a/net-misc/socat/socat-1.8.0.0.ebuild
+++ b/net-misc/socat/socat-1.8.0.0.ebuild
@@ -57,4 +57,8 @@ src_install() {
 
 	docinto html
 	dodoc doc/*.html doc/*.css
+
+	if use elibc_musl; then
+		QA_CONFIG_IMPL_DECL_SKIP=( getprotobynumber_r )
+	fi
 }
diff --git a/net-misc/socat/socat-1.8.0.1.ebuild b/net-misc/socat/socat-1.8.0.1.ebuild
index 74a3393d7dbb2..956b49fe571c5 100644
--- a/net-misc/socat/socat-1.8.0.1.ebuild
+++ b/net-misc/socat/socat-1.8.0.1.ebuild
@@ -52,4 +52,8 @@ src_install() {
 
 	docinto html
 	dodoc doc/*.html doc/*.css
+
+	if use elibc_musl; then
+		QA_CONFIG_IMPL_DECL_SKIP=( getprotobynumber_r )
+	fi
 }
diff --git a/net-misc/socat/socat-1.8.0.2.ebuild b/net-misc/socat/socat-1.8.0.2.ebuild
index 52cfbb352af3c..2448aa66a86df 100644
--- a/net-misc/socat/socat-1.8.0.2.ebuild
+++ b/net-misc/socat/socat-1.8.0.2.ebuild
@@ -53,4 +53,8 @@ src_install() {
 
 	docinto html
 	dodoc doc/*.html doc/*.css
+
+	if use elibc_musl; then
+		QA_CONFIG_IMPL_DECL_SKIP=( getprotobynumber_r )
+	fi
 }