diff --git a/MOVED b/MOVED
index 3eb3c4b8707ff..deb5e96eb22dd 100644
--- a/MOVED
+++ b/MOVED
@@ -16326,3 +16326,4 @@ sysutils/policykit|sysutils/polkit|2021-05-01|Gnome2 component, no consumers lef
 databases/rubygem-gitlab-pg_query|databases/rubygem-pg_query|2021-05-03|Obsolete, please use databases/rubygem-pg_query
 devel/rubygem-licensee8|devel/rubygem-licensee|2021-05-03|Obsolete, please use devel/rubygem-licensee
 devel/rubygem-ruby-magic-static|devel/rubygem-ruby-magic|2021-05-03|Obsolete, please use devel/rubygem-ruby-magic
+devel/gecode|math/gecode|2021-05-04|Move to a proper category
diff --git a/devel/Makefile b/devel/Makefile
index 5ec8edd1d8c1e..b3ecb03a2e798 100644
--- a/devel/Makefile
+++ b/devel/Makefile
@@ -781,7 +781,6 @@
     SUBDIR += geany-plugins-l10n
     SUBDIR += geany-themes
     SUBDIR += gearmand
-    SUBDIR += gecode
     SUBDIR += generate
     SUBDIR += gengetopt
     SUBDIR += genie
diff --git a/math/Makefile b/math/Makefile
index df7e7a52b6af2..791206f9a3b2f 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -294,6 +294,7 @@
     SUBDIR += gambit
     SUBDIR += gap
     SUBDIR += gau2grid
+    SUBDIR += gecode
     SUBDIR += gemmlowp
     SUBDIR += geogebra
     SUBDIR += geogram
diff --git a/devel/gecode/Makefile b/math/gecode/Makefile
similarity index 98%
rename from devel/gecode/Makefile
rename to math/gecode/Makefile
index af042240e2a88..0592eb7689841 100644
--- a/devel/gecode/Makefile
+++ b/math/gecode/Makefile
@@ -3,7 +3,7 @@
 PORTNAME=	gecode
 DISTVERSIONPREFIX=	release-
 DISTVERSION=	6.2.0
-CATEGORIES=	devel math
+CATEGORIES=	math
 
 PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${PORTNAME}/commit/
 PATCHFILES=	f08079c5df271869bc7c0799b3eccc52ca2f4d83.patch:-p1 # https://github.com/Gecode/gecode/pull/51
diff --git a/devel/gecode/distinfo b/math/gecode/distinfo
similarity index 100%
rename from devel/gecode/distinfo
rename to math/gecode/distinfo
diff --git a/devel/gecode/pkg-descr b/math/gecode/pkg-descr
similarity index 100%
rename from devel/gecode/pkg-descr
rename to math/gecode/pkg-descr
diff --git a/devel/gecode/pkg-plist b/math/gecode/pkg-plist
similarity index 100%
rename from devel/gecode/pkg-plist
rename to math/gecode/pkg-plist