diff --git a/dev-cpp/eigen/eigen-3.4.9999.ebuild b/dev-cpp/eigen/eigen-3.4.9999.ebuild
index edcb2a8263bd6..9373cd0d32c03 100644
--- a/dev-cpp/eigen/eigen-3.4.9999.ebuild
+++ b/dev-cpp/eigen/eigen-3.4.9999.ebuild
@@ -536,9 +536,10 @@ src_compile() {
 		if use cuda || use hip; then
 			targets+=( buildtests_gpu )
 		fi
-		# tests generate random data, which
-		# obviously fails for some seeds
-		export EIGEN_SEED=712808
+
+		# tests generate random data, which fails for some seeds
+		# we solve this via test reruns now
+		# export EIGEN_SEED=712808
 	fi
 
 	# we add doc last to capture results for buildtests
@@ -589,6 +590,7 @@ src_test() {
 
 	local myctestargs=(
 		-j1 # otherwise breaks due to cmake reruns
+		--repeat until-pass:50
 	)
 
 	if use opengl; then
diff --git a/dev-cpp/eigen/eigen-9999.ebuild b/dev-cpp/eigen/eigen-9999.ebuild
index 12f135d41b601..d85315c41d416 100644
--- a/dev-cpp/eigen/eigen-9999.ebuild
+++ b/dev-cpp/eigen/eigen-9999.ebuild
@@ -540,9 +540,10 @@ src_compile() {
 		if use cuda || use hip; then
 			targets+=( buildtests_gpu )
 		fi
-		# tests generate random data, which
-		# obviously fails for some seeds
-		export EIGEN_SEED=712808
+
+		# tests generate random data, which fails for some seeds
+		# we solve this via test reruns now
+		# export EIGEN_SEED=712808
 	fi
 
 	# we add doc last to capture results for buildtests
@@ -593,6 +594,7 @@ src_test() {
 
 	local myctestargs=(
 		-j1 # otherwise breaks due to cmake reruns
+		--repeat until-pass:50
 	)
 
 	if use opengl; then