diff --git a/RTCP/Cobalt/OutputProc/test/tTBB_Writer-spectral.run b/RTCP/Cobalt/OutputProc/test/tTBB_Writer-spectral.run
index c10351926aa4f330f41b8902828537e8265a3294..451cd6994dbf56176a89ea5735bb9d26af8bc34f 100755
--- a/RTCP/Cobalt/OutputProc/test/tTBB_Writer-spectral.run
+++ b/RTCP/Cobalt/OutputProc/test/tTBB_Writer-spectral.run
@@ -8,8 +8,19 @@ status=0
 TBB_Writer --parset=tTBB_Writer-spectral.parset --staticmetadatadir=tTBB_Writer-spectral.in_1 --outputdir=. --input=file:tTBB_Writer-spectral.in_1/sb_20170711_094130_1310_sb99-100dupl.dat --timeout=1 --keeprunning=0 || status=1
 
 # Check some .h5 attributes vs a reference output
-h5dump -a TELESCOPE -a OPERATING_MODE -a STATION_CS013/STATION_NAME -a STATION_CS013/STATION_POSITION -a STATION_CS013/DIPOLE_013001010/DATA_LENGTH -a STATION_CS013/DIPOLE_013001010/TIME L121213_CS013_D20170711T094130.000Z_tbb.h5 > L121213_CS013_D20170711T094130.000Z_tbb.h5.selected-attribs.txt || status=1
-diff L121213_CS013_D20170711T094130.000Z_tbb.h5.selected-attribs.txt tTBB_Writer-spectral.in_1/L121213_CS013_D20170711T094130.000Z_tbb.h5.selected-attribs.txt || status=1
+# Older HDF5 1.8 versions (e.g. 1.8.4) print e.g.: 'ATTRIBUTE "STATION_CS011/STATION_NAME" {' instead of: 'ATTRIBUTE "STATION_NAME" {' and different spacing.
+# Use sed magic to strip the HDF5 dirname and use diff with -b. (Better: use h5diff.)
+h5dump -a TELESCOPE \
+       -a OPERATING_MODE \
+       -a STATION_CS013/STATION_NAME \
+       -a STATION_CS013/STATION_POSITION \
+       -a STATION_CS013/DIPOLE_013001010/DATA_LENGTH \
+       -a STATION_CS013/DIPOLE_013001010/TIME \
+       L121213_CS013_D20170711T094130.000Z_tbb.h5 | \
+  sed -r -e 's/^ATTRIBUTE "([[:alnum:]_]+\/)*([[:alnum:]_]+)"/ATTRIBUTE "\2"/' > \
+    L121213_CS013_D20170711T094130.000Z_tbb.h5.selected-attribs.txt || status=1
+
+diff -b L121213_CS013_D20170711T094130.000Z_tbb.h5.selected-attribs.txt tTBB_Writer-spectral.in_1/L121213_CS013_D20170711T094130.000Z_tbb.h5.selected-attribs.txt || status=1
 
 # Check .raw file vs a reference output (.raw outputs for both subbands are the same here, so check vs the same refout)
 diff L121213_CS013_RSP001_RCU010_SB099_D20170711T094130.000Z_tbb.raw tTBB_Writer-spectral.in_1/tTBB_Writer-spectral-refout.raw || status=1
diff --git a/RTCP/Cobalt/OutputProc/test/tTBB_Writer-transient.run b/RTCP/Cobalt/OutputProc/test/tTBB_Writer-transient.run
index d683dd086d3a261fec1215bdd6aad2432e412c83..db1d9f46f90a19f7dd0fbdc857e2f1e074dfbf89 100755
--- a/RTCP/Cobalt/OutputProc/test/tTBB_Writer-transient.run
+++ b/RTCP/Cobalt/OutputProc/test/tTBB_Writer-transient.run
@@ -8,8 +8,20 @@ status=0
 TBB_Writer --parset=tTBB_Writer-transient.parset --staticmetadatadir=tTBB_Writer-transient.in_1 --outputdir=. --input=file:tTBB_Writer-transient.in_1/rw_20110719_110541_1110.dat --timeout=1 --keeprunning=0 || status=1
 
 # Check some .h5 attributes vs a reference output
-h5dump -a TELESCOPE -a OPERATING_MODE -a STATION_CS011/STATION_NAME -a STATION_CS011/STATION_POSITION -a STATION_CS011/DIPOLE_011001010/DATA_LENGTH -a STATION_CS011/DIPOLE_011001010/SAMPLE_NUMBER -a STATION_CS011/DIPOLE_011001010/TIME L121212_CS011_D20110719T110541.036Z_tbb.h5 > L121212_CS011_D20110719T110541.036Z_tbb.h5.selected-attribs.txt || status=1
-diff L121212_CS011_D20110719T110541.036Z_tbb.h5.selected-attribs.txt tTBB_Writer-transient.in_1/L121212_CS011_D20110719T110541.036Z_tbb.h5.selected-attribs.txt || status=1
+# Older HDF5 1.8 versions (e.g. 1.8.4) print e.g.: 'ATTRIBUTE "STATION_CS011/STATION_NAME" {' instead of: 'ATTRIBUTE "STATION_NAME" {' and different spacing.
+# Use sed magic to strip the HDF5 dirname and use diff with -b. (Better: use h5diff.)
+h5dump -a TELESCOPE \
+       -a OPERATING_MODE \
+       -a STATION_CS011/STATION_NAME \
+       -a STATION_CS011/STATION_POSITION \
+       -a STATION_CS011/DIPOLE_011001010/DATA_LENGTH \
+       -a STATION_CS011/DIPOLE_011001010/SAMPLE_NUMBER \
+       -a STATION_CS011/DIPOLE_011001010/TIME \
+       L121212_CS011_D20110719T110541.036Z_tbb.h5 | \
+  sed -r -e 's/^ATTRIBUTE "([[:alnum:]_]+\/)*([[:alnum:]_]+)"/ATTRIBUTE "\2"/' > \
+    L121212_CS011_D20110719T110541.036Z_tbb.h5.selected-attribs.txt || status=1
+
+diff -b L121212_CS011_D20110719T110541.036Z_tbb.h5.selected-attribs.txt tTBB_Writer-transient.in_1/L121212_CS011_D20110719T110541.036Z_tbb.h5.selected-attribs.txt || status=1
 
 # Check .raw file vs a reference output
 diff L121212_CS011_RSP001_RCU010_D20110719T110541.036Z_tbb.raw tTBB_Writer-transient.in_1/tTBB_Writer-transient-refout.raw || status=1