diff --git a/sci-libs/cln/cln-1.3.4.recipe b/sci-libs/cln/cln-1.3.4.recipe
index 8cc281ecf..c0a04be26 100644
--- a/sci-libs/cln/cln-1.3.4.recipe
+++ b/sci-libs/cln/cln-1.3.4.recipe
@@ -30,6 +30,7 @@ REQUIRES="
 	"
 
 PROVIDES_devel="
+	cln${secondaryArchSuffix}_devel = $portVersion
 	devel:libcln$secondaryArchSuffix = $portVersion
 	"
 REQUIRES_devel="
diff --git a/sci-libs/ginac/ginac-1.6.5.recipe b/sci-mathematics/ginac/ginac-1.6.5.recipe
similarity index 97%
rename from sci-libs/ginac/ginac-1.6.5.recipe
rename to sci-mathematics/ginac/ginac-1.6.5.recipe
index 6f8253817..30d4197de 100644
--- a/sci-libs/ginac/ginac-1.6.5.recipe
+++ b/sci-mathematics/ginac/ginac-1.6.5.recipe
@@ -28,6 +28,7 @@ REQUIRES="
 	"
 
 PROVIDES_devel="
+	ginac${secondaryArchSuffix}_devel = $portVersion
 	devel:libginac$secondaryArchSuffix = $portVersion
 	"
 REQUIRES_devel="