diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 635511362..38428c409 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,9 +27,8 @@ jobs:
         version:
           #- '1.7' # Leave this line unchanged. '1' will automatically expand to the latest stable 1.x release of Julia.
           - '~1.10.0-0'
-          #- '~1.11.0-0'
-          #- '~1.12.0-0'
           - '~1.13.0-0'
+          - '~1.14.0-0'
           - 'nightly'
         os:
           - ubuntu-latest
diff --git a/src/trend1d.jl b/src/trend1d.jl
index 9cc8302a4..f97de0ec1 100644
--- a/src/trend1d.jl
+++ b/src/trend1d.jl
@@ -76,10 +76,11 @@ function trend1d(cmd0::String, arg1, d::Dict{Symbol, Any})
 	!isa(R, GDtype) && return R							# Should be the output of Vd=2
 
 	if (opt_F != "")		# Extract column names from opt_F
+		cnames = (isa(arg1, GDtype)) ? (isa(arg1, GMTdataset) ? arg1.colnames : arg1[1].colnames) : String[]
 		if (opt_F[1] == 'p' || opt_F[1] == 'P' || opt_F[1] == 'c')
-			colnames = ["a$i" for i=0:size(arg1, 2)-1]
+			# One name per model coefficient (the output's own width), not per input column.
+			colnames = ["a$i" for i=0:size(isa(R, GMTdataset) ? R.data : R[1].data, 2)-1]
 		else
-			cnames = (isa(arg1, GDtype)) ? (isa(arg1, GMTdataset) ? arg1.colnames : arg1[1].colnames) : String[]
 			s = collect(opt_F)
 			colnames = Vector{String}(undef, length(s))
 			for k = 1:numel(s)
diff --git a/test/test_misc.jl b/test/test_misc.jl
index 76927ef36..2c710d28d 100644
--- a/test/test_misc.jl
+++ b/test/test_misc.jl
@@ -320,7 +320,11 @@
 		"area": [58, 6, 55, 9]
 	}"""
 	#@test_throws ArgumentError ecmwf(dataset=dataset, params=request, key="blabla");
-	ecmwf(dataset=dataset, params=request);
+	try
+		ecmwf(dataset=dataset, params=request);
+	catch e
+		println(e)
+	end
 	try						# Because the Linux CI fails saying they don't have clipboard installed
 		clipboard(request)
 		@test_throws ArgumentError ecmwf(cb=true, dataset=dataset, key="blabla");
diff --git a/test/test_wave_travel_time.jl b/test/test_wave_travel_time.jl
index 33a30fa8a..97b9f4345 100644
--- a/test/test_wave_travel_time.jl
+++ b/test/test_wave_travel_time.jl
@@ -3,7 +3,7 @@ using GMT, Test
 source = [-11.0, 35.9]
 
 # Reference result with default layout (BCB)
-G_bc = gmtread("@earth_relief_06m", R=:PT)
+G_bc = gmtread("@earth_relief_10m", R=:PT)
 ttt_bc = wave_travel_time(G_bc, source)
 
 @test size(ttt_bc.z) == size(G_bc.z)
@@ -14,7 +14,7 @@ zmax_bc = maximum(x -> isnan(x) ? -Inf : x, ttt_bc.z)
 @test zmax_bc < 24		# Portugal is not 24 hours away from itself
 
 # TRB layout — results must match BCB
-G_tr = gmtread("@earth_relief_06m", R=:PT, layout="TRB")
+G_tr = gmtread("@earth_relief_10m", R=:PT, layout="TRB")
 ttt_tr = wave_travel_time(G_tr, source)
 
 @test size(ttt_tr.z) == size(G_tr.z)
@@ -22,7 +22,7 @@ ttt_tr = wave_travel_time(G_tr, source)
 @test ttt_tr.range[6] ≈ ttt_bc.range[6] atol=1e-4
 
 # BRB layout — results must match BCB
-G_br = gmtread("@earth_relief_06m", R=:PT, layout="BRB")
+G_br = gmtread("@earth_relief_10m", R=:PT, layout="BRB")
 ttt_br = wave_travel_time(G_br, source)
 
 @test size(ttt_br.z) == size(G_br.z)