diff --git a/components/perf-tools/dimemas/SPECS/dimemas.spec b/components/perf-tools/dimemas/SPECS/dimemas.spec
index 7bc9925719..b836ae9158 100644
--- a/components/perf-tools/dimemas/SPECS/dimemas.spec
+++ b/components/perf-tools/dimemas/SPECS/dimemas.spec
@@ -28,7 +28,7 @@ Source0:	https://ftp.tools.bsc.es/dimemas/dimemas-%{version}-src.tar.bz2
 BuildRequires: boost-%{compiler_family}-%{mpi_family}%{PROJ_DELIM}
 Requires:      boost-%{compiler_family}-%{mpi_family}%{PROJ_DELIM}
 BuildRequires: bison make
-%if 0%{?rhel}
+%if 0%{?rhel} || 0%{?openEuler}
 BuildRequires: flex-devel
 BuildRequires: flex
 %endif
diff --git a/tests/ci/spec_to_test_mapping.py b/tests/ci/spec_to_test_mapping.py
index 24e1c533a9..a1b2f4f5bf 100755
--- a/tests/ci/spec_to_test_mapping.py
+++ b/tests/ci/spec_to_test_mapping.py
@@ -198,6 +198,11 @@
         '',
         ''
     ],
+    'components/perf-tools/dimemas/SPECS/dimemas.spec': [
+        'dimemas',
+        '',
+        'lmod-defaults-gnu12-openmpi4-ohpc'
+    ],
 }