diff --git a/CMakeLists.txt b/CMakeLists.txt
index e5770065..02ccbec7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -165,6 +165,13 @@ foreach(TEST_CLASS ${TEST_CLASSES})
         NAME ${TEST_CLASS}
         COMMAND zproject_selftest --continue --verbose --test ${TEST_CLASS}
     )
+    IF (WIN32 AND CMAKE_PREFIX_PATH)
+		file(TO_NATIVE_PATH "${CMAKE_PREFIX_PATH}" CMAKE_PREFIX_PATH_WIN)
+		set_tests_properties(
+			${TEST_CLASS}
+			PROPERTIES ENVIRONMENT "PATH=%PATH%\;${CMAKE_PREFIX_PATH_WIN}\\bin"
+		)
+    ENDIF (WIN32 AND CMAKE_PREFIX_PATH)
     set_tests_properties(
         ${TEST_CLASS}
         PROPERTIES TIMEOUT ${CLASSTEST_TIMEOUT}
diff --git a/zproject_class.gsl b/zproject_class.gsl
index 77ac68f3..ddcd6d26 100644
--- a/zproject_class.gsl
+++ b/zproject_class.gsl
@@ -502,6 +502,16 @@ $(project.GENERATED_WARNING_HEADER:)
 //  Platform definitions, must come first
 #include "platform.h"
 
+//  Asserts check the invariants of methods. If they're not                                                                                                                
+//  fulfilled the program should fail fast. Therefore enforce them!  
+#ifdef NDEBUG
+  #undef NDEBUG
+  #include <assert.h> 
+  #define NDEBUG
+#else
+  #include <assert.h>
+#endif
+
 //  External API
 #include "../include/$(project.header:)"
 
diff --git a/zproject_travis.gsl b/zproject_travis.gsl
index 81a62d78..db486eba 100644
--- a/zproject_travis.gsl
+++ b/zproject_travis.gsl
@@ -818,6 +818,10 @@ windows)
     choco install openjdk
     export JAVA_HOME="C:\\Program Files\\OpenJDK\\jdk-13.0.2"
     export BUILD_PREFIX=$TEMP/ci_build
+    # Build will fail if processes are still running at the end of the script.
+    # Gradle by default starts a daemon so consequtive builds are faster.
+    # Therefore instruct gradle not to use its daemon.
+    export GRADLE_OPTS=-Dorg.gradle.daemon=false
 
     cd ..
 
@@ -834,6 +838,12 @@ windows)
     cmake --build . --config Release --target install
     cd ../..
 
+    if [ -d "$(use.project)/bindings/jni" ]; then
+        cd $(use.project)/bindings/jni
+        ./gradlew publishToMavenLocal -PbuildPrefix=$BUILD_PREFIX --info
+        cd ../../..
+    fi
+
 .endfor
     cd $(project.name)
     mkdir build
@@ -845,10 +855,6 @@ windows)
 
     cd $(project.name)
     cd bindings/jni
-    # Build will fail if processes are still running at the end of the script.
-    # Gradle by default starts a daemon so consequtive builds are faster.
-    # Therefore instruct gradle not to use its daemon.
-    export GRADLE_OPTS=-Dorg.gradle.daemon=false
     ./gradlew build jar -PbuildPrefix=$BUILD_PREFIX -x test --info
     ./gradlew publishToMavenLocal -PbuildPrefix=$BUILD_PREFIX --info