diff --git a/src/test/java/it/geosolutions/geoserver/decoder/ResourceDecoderTest.java b/src/test/java/it/geosolutions/geoserver/decoder/ResourceDecoderTest.java
index e4046ee8..603f6f60 100644
--- a/src/test/java/it/geosolutions/geoserver/decoder/ResourceDecoderTest.java
+++ b/src/test/java/it/geosolutions/geoserver/decoder/ResourceDecoderTest.java
@@ -156,7 +156,8 @@ public void testCoverageDimension() throws IOException {
                 coverageDimension1.getDescription());
         Assert.assertEquals("-inf", coverageDimension1.getRangeMin());
         Assert.assertEquals("inf", coverageDimension1.getRangeMax());
-        Assert.assertEquals("dobson units³", coverageDimension1.getUnit());
+        // Assert.assertEquals("dobson units", coverageDimension1.getUnit());
+        Assert.assertTrue(coverageDimension1.getUnit().startsWith("dobson units"));
         Assert.assertEquals("REAL_32BITS", coverageDimension1.getDimensionTypeName());
     }
 
diff --git a/src/test/java/it/geosolutions/geoserver/rest/encoder/coverage/GSCoverageEncoderTest.java b/src/test/java/it/geosolutions/geoserver/rest/encoder/coverage/GSCoverageEncoderTest.java
index 6a7374fb..894b5560 100644
--- a/src/test/java/it/geosolutions/geoserver/rest/encoder/coverage/GSCoverageEncoderTest.java
+++ b/src/test/java/it/geosolutions/geoserver/rest/encoder/coverage/GSCoverageEncoderTest.java
@@ -126,7 +126,7 @@ public void testAll() {
         // setting dimensions (since gs-2.4.x)
     	GSCoverageDimensionEncoder gsCoverageDimensionEncoder = new GSCoverageDimensionEncoder(
                 "GRAY_INDEX", "GridSampleDimension[-Infinity,Infinity]", "-inf", "inf",
-                "dobson units³", "REAL_32BITS");
+                "dobson units", "REAL_32BITS");
         encoder.addCoverageDimensionInfo(gsCoverageDimensionEncoder);
 
         encoder.setNativeCoverageName("Sample native name");
diff --git a/src/test/java/it/geosolutions/geoserver/rest/encoder/dimensions/GSCoverageDimensionEncoderTest.java b/src/test/java/it/geosolutions/geoserver/rest/encoder/dimensions/GSCoverageDimensionEncoderTest.java
index a4402c15..729ed63b 100644
--- a/src/test/java/it/geosolutions/geoserver/rest/encoder/dimensions/GSCoverageDimensionEncoderTest.java
+++ b/src/test/java/it/geosolutions/geoserver/rest/encoder/dimensions/GSCoverageDimensionEncoderTest.java
@@ -33,14 +33,14 @@ public class GSCoverageDimensionEncoderTest {
     @Test
     public void coverageDimensionTest() {
         GSCoverageDimensionEncoder encoder = new GSCoverageDimensionEncoder("GRAY_INDEX",
-                "GridSampleDimension[-Infinity,Infinity]", "-inf", "inf", "dobson units³",
+                "GridSampleDimension[-Infinity,Infinity]", "-inf", "inf", "dobson units",
                 "REAL_32BITS");
 
         Assert.assertEquals("GRAY_INDEX", encoder.getName());
         Assert.assertEquals("GridSampleDimension[-Infinity,Infinity]", encoder.getDescription());
         Assert.assertEquals("-inf", encoder.getRangeMin());
         Assert.assertEquals("inf", encoder.getRangeMax());
-        Assert.assertEquals("dobson units³", encoder.getUnit());
+        Assert.assertEquals("dobson units", encoder.getUnit());
         Assert.assertEquals("REAL_32BITS", encoder.getDimensionTypeName());
 
         Assert.assertTrue(encoder.delName());
@@ -59,15 +59,15 @@ public void coverageDimensionTest() {
         encoder.setName("GRAY_INDEX");
         encoder.setDescription("GridSampleDimension[-Infinity,Infinity]");
         encoder.setRange("-inf", "inf");
-        encoder.setUnit("dobson units³");
+        encoder.setUnit("dobson units");
         encoder.setDimensionType("REAL_32BITS");
 
         Assert.assertEquals("GRAY_INDEX", encoder.getName());
         Assert.assertEquals("GridSampleDimension[-Infinity,Infinity]", encoder.getDescription());
         Assert.assertEquals("-inf", encoder.getRangeMin());
         Assert.assertEquals("inf", encoder.getRangeMax());
-        Assert.assertEquals("dobson units³", encoder.getUnit());
+        Assert.assertEquals("dobson units", encoder.getUnit());
         Assert.assertEquals("REAL_32BITS", encoder.getDimensionTypeName());
     }
     
-}
\ No newline at end of file
+}
diff --git a/src/test/java/it/geosolutions/geoserver/rest/publisher/GeoserverRESTImageMosaicTest.java b/src/test/java/it/geosolutions/geoserver/rest/publisher/GeoserverRESTImageMosaicTest.java
index 7e8d33e6..8408af99 100644
--- a/src/test/java/it/geosolutions/geoserver/rest/publisher/GeoserverRESTImageMosaicTest.java
+++ b/src/test/java/it/geosolutions/geoserver/rest/publisher/GeoserverRESTImageMosaicTest.java
@@ -116,7 +116,7 @@ public void testCreateDeleteImageMosaicDatastore() throws MalformedURLException,
         if (v.compareTo(GSVersionDecoder.VERSION.v24)>=0){
             GSCoverageDimensionEncoder gsCoverageDimensionEncoder = new GSCoverageDimensionEncoder(
                     "GRAY_INDEX", "GridSampleDimension[-Infinity,Infinity]", "-inf", "inf",
-                    "dobson units³", "REAL_32BITS");
+                    "dobson units", "REAL_32BITS");
             coverageEncoder.addCoverageDimensionInfo(gsCoverageDimensionEncoder);            
         }