diff --git a/windows_docker_resources/Dockerfile.msvc2019 b/windows_docker_resources/Dockerfile.msvc2019
index f714b842d..f154bef6a 100644
--- a/windows_docker_resources/Dockerfile.msvc2019
+++ b/windows_docker_resources/Dockerfile.msvc2019
@@ -106,7 +106,7 @@ ENV RTI_LICENSE_FILE C:\connext\rti_license.dat
 COPY rticonnextdds-src\openssl-1.0.2n-target-x64Win64VS2017.zip C:\TEMP\connext\
 RUN 7z.exe x C:\TEMP\connext\openssl-1.0.2n-target-x64Win64VS2017.zip -aoa -oC:\connext\
 ENV RTI_OPENSSL_BIN C:\connext\openssl-1.0.2n\x64Win64VS2017\release\bin
-ENV RTI_OPENSSL_LIB C:\connext\openssl-1.0.2n\x64Win64VS2017\release\lib
+ENV RTI_OPENSSL_LIBS C:\connext\openssl-1.0.2n\x64Win64VS2017\release\lib
 
 COPY rticonnextdds-src\rti_connext_dds-5.3.1-pro-host-x64Win64.exe.??? C:\TEMP\connext\
 RUN copy /b C:\TEMP\connext\rti_connext_dds-5.3.1-pro-host-x64Win64.exe.??? C:\TEMP\connext\rti_connext_dds-5.3.1-pro-host-x64Win64.exe