diff --git a/.github/workflows/Linux_options.yml b/.github/workflows/Linux_options.yml
index 037b2376..7d1f1cb6 100644
--- a/.github/workflows/Linux_options.yml
+++ b/.github/workflows/Linux_options.yml
@@ -39,6 +39,9 @@ jobs:
         - { 
             options: "-DBUILD_WGRIB=ON"
           }
+        - {
+            options: "-DUSE_OPENJPEG=ON"
+          }
           
     steps:
 
@@ -67,7 +70,7 @@ jobs:
       if: steps.cache-jasper.outputs.cache-hit != 'true'
       run: |
         cd jasper
-        ./configure --prefix=$HOME/Jasper
+        ./configure --prefix=$HOME/jasper
         make
         make install
 
diff --git a/.github/workflows/developer.yml b/.github/workflows/developer.yml
index 9ece03e8..f8734021 100644
--- a/.github/workflows/developer.yml
+++ b/.github/workflows/developer.yml
@@ -53,7 +53,7 @@ jobs:
       if: steps.cache-jasper.outputs.cache-hit != 'true'
       run: |
         cd jasper
-        ./configure --prefix=$HOME/Jasper
+        ./configure --prefix=$HOME/jasper
         make
         make install
 
@@ -141,7 +141,7 @@ jobs:
         export CFLAGS='-Wall -g -fprofile-abs-path -fprofile-arcs -ftest-coverage -O0'        
         export FCFLAGS='-Wall -g -fprofile-abs-path -fprofile-arcs -ftest-coverage -O0'        
         export FFLAGS='-Wall -g -fprofile-abs-path -fprofile-arcs -ftest-coverage -O0'        
-        cmake .. -DENABLE_DOCS=ON -DFTP_TEST_FILES=ON -DCMAKE_PREFIX_PATH="~/ip;~/ip2;~/sp" -DTEST_FILE_DIR=/home/runner/data -DUSE_NETCDF4=ON -DUSE_AEC=ON -DUSE_IPOLATES=ON
+        cmake .. -DENABLE_DOCS=ON -DFTP_TEST_FILES=ON -DCMAKE_PREFIX_PATH="~/ip;~/ip2;~/sp;~/jasper" -DTEST_FILE_DIR=/home/runner/data -DUSE_NETCDF4=ON -DUSE_AEC=ON -DUSE_IPOLATES=ON -DUSE_JASPER=ON
         make VERBOSE=1
         ctest --verbose --output-on-failure --rerun-failed
         gcovr --root .. -v  --html-details --exclude ../tests --exclude CMakeFiles --print-summary -o test-coverage.html &> /dev/null
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ee33723e..a51ebd82 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -104,6 +104,10 @@ if(USE_NETCDF4)
   list(APPEND definitions_list -DUSE_NETCDF4 -DUSE_HDF5 -DHDF5="hdf5")
 endif()
 
+if(USE_OPENJPEG AND USE_JASPER)
+  message(FATAL_ERROR "USE_OPENJPEG OR USE_JASPER, not both")
+endif()
+
 message(STATUS "Checking if the user wants to use Jasper...")
 if(USE_JASPER)
   list(APPEND definitions_list -DUSE_JASPER)
@@ -113,6 +117,12 @@ if(USE_JASPER)
   endif()
 endif()
 
+# Find required packages to use OpenJPEG
+message(STATUS "Checking if the user wants to use OpenJPEG...")
+if(USE_OPENJPEG)
+  find_package(OpenJPEG REQUIRED)
+endif()
+
 message(STATUS "Checking if the user want to use OpenMP...")
 if(USE_OPENMP)
   find_package(OpenMP)
@@ -124,20 +134,14 @@ if(USE_OPENMP)
 #  endif()
 endif()
 
-message(STATUS "Checking of the user wants to use PNG...")
+message(STATUS "Checking if the user wants to use PNG...")
 if(USE_PNG)
   find_package(ZLIB REQUIRED)
   find_package(PNG REQUIRED)
 endif()
 
-# Find required packages to use OpenJPEG
-message(STATUS "Checking of the user wants to use OpenJPEG...")
-if(USE_OPENJPEG)
-  find_package(OpenJPEG REQUIRED)
-endif()
-
 # Find required packages to use AEC
-message(STATUS "Checking of the user wants to use AEC...")
+message(STATUS "Checking if the user wants to use AEC...")
 if(USE_AEC)
   find_package(libaec 1.0.6 REQUIRED)
 endif()
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index d069ec38..4889a49c 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -155,6 +155,10 @@ endif()
 if (USE_AEC)
   shell_test(run_wgrib2_aec_tests)
 endif()
+if (USE_JASPER OR USE_OPENJPEG)
+  shell_test(run_jpeg_tests)
+  copy_test_data(ref_jpeg2simple.txt)
+endif()
 
 if (FTP_TEST_FILES)
   copy_test_data(ref_WW3_Regional_US_West_Coast_20220718_0000.grib2.inv)
diff --git a/tests/data/ref_jpeg2simple.txt b/tests/data/ref_jpeg2simple.txt
new file mode 100644
index 00000000..194644cb
--- /dev/null
+++ b/tests/data/ref_jpeg2simple.txt
@@ -0,0 +1,19 @@
+1:0:00Z30nov2021:WIND Wind Speed [m/s]:lvl1=(1,1) lvl2=(255,missing):surface:anl:
+2:19910:00Z30nov2021:WDIR Wind Direction (from which blowing) [deg]:lvl1=(1,1) lvl2=(255,missing):surface:anl:
+3:46720:00Z30nov2021:UGRD U-Component of Wind [m/s]:lvl1=(1,1) lvl2=(255,missing):surface:anl:
+4:66630:00Z30nov2021:VGRD V-Component of Wind [m/s]:lvl1=(1,1) lvl2=(255,missing):surface:anl:
+5:87920:00Z30nov2021:HTSGW Significant Height of Combined Wind Waves and Swell [m]:lvl1=(1,1) lvl2=(255,missing):surface:anl:
+6:105070:00Z30nov2021:PERPW Primary Wave Mean Period [s]:lvl1=(1,1) lvl2=(255,missing):surface:anl:
+7:123600:00Z30nov2021:DIRPW Primary Wave Direction [deg]:lvl1=(1,1) lvl2=(255,missing):surface:anl:
+8:147650:00Z30nov2021:WVHGT Significant Height of Wind Waves [m]:lvl1=(1,1) lvl2=(255,missing):surface:anl:
+9:158136:00Z30nov2021:SWELL Significant Height of Swell Waves [m]:lvl1=(241,1) lvl2=(255,missing):1 in sequence:anl:
+10:175286:00Z30nov2021:SWELL Significant Height of Swell Waves [m]:lvl1=(241,2) lvl2=(255,missing):2 in sequence:anl:
+11:190969:00Z30nov2021:SWELL Significant Height of Swell Waves [m]:lvl1=(241,3) lvl2=(255,missing):3 in sequence:anl:
+12:204751:00Z30nov2021:WVPER Mean Period of Wind Waves [s]:lvl1=(1,1) lvl2=(255,missing):surface:anl:
+13:216517:00Z30nov2021:SWPER Mean Period of Swell Waves [s]:lvl1=(241,1) lvl2=(255,missing):1 in sequence:anl:
+14:236427:00Z30nov2021:SWPER Mean Period of Swell Waves [s]:lvl1=(241,2) lvl2=(255,missing):2 in sequence:anl:
+15:256219:00Z30nov2021:SWPER Mean Period of Swell Waves [s]:lvl1=(241,3) lvl2=(255,missing):3 in sequence:anl:
+16:275175:00Z30nov2021:WVDIR Direction of Wind Waves [deg]:lvl1=(1,1) lvl2=(255,missing):surface:anl:
+17:290139:00Z30nov2021:SWDIR Direction of Swell Waves [deg]:lvl1=(241,1) lvl2=(255,missing):1 in sequence:anl:
+18:314189:00Z30nov2021:SWDIR Direction of Swell Waves [deg]:lvl1=(241,2) lvl2=(255,missing):2 in sequence:anl:
+19:340827:00Z30nov2021:SWDIR Direction of Swell Waves [deg]:lvl1=(241,3) lvl2=(255,missing):3 in sequence:anl:
diff --git a/tests/run_jpeg_tests.sh b/tests/run_jpeg_tests.sh
new file mode 100644
index 00000000..fbaf1d3a
--- /dev/null
+++ b/tests/run_jpeg_tests.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+# This tests support for jpeg2000 compressed grib files.
+# Only available if USE_JASPER=ON or USE_OPENJPEG=ON CMake.
+#
+# Alyson Stahl 7/26/2024
+
+echo "*** Converting from jpeg to simple packing"
+../wgrib2/wgrib2 data/gdaswave.t00z.wcoast.0p16.f000.grib2 -set_grib_type simple -grib_out jpeg2simple.grb
+../wgrib2/wgrib2 jpeg2simple.grb -v2 -s >  jpeg2simple.txt
+touch jpeg2simple.txt
+diff -w jpeg2simple.txt data/ref_jpeg2simple.txt
+
+echo "*** SUCCESS!"
+exit 0
\ No newline at end of file
diff --git a/wgrib2/CMakeLists.txt b/wgrib2/CMakeLists.txt
index dfd4881b..2afc7325 100644
--- a/wgrib2/CMakeLists.txt
+++ b/wgrib2/CMakeLists.txt
@@ -90,6 +90,7 @@ if(USE_NETCDF4)
 endif()
 
 if(USE_JASPER)
+  include_directories(${JASPER_INCLUDE_DIR})
   target_include_directories(obj_lib PUBLIC ${JASPER_INCLUDE_DIR})
   target_link_libraries(obj_lib PUBLIC ${JASPER_LIBRARIES})
 endif()