diff --git a/src/bindings/jna/CMakeLists.txt b/src/bindings/jna/CMakeLists.txt
index 8a550fe9d5d..8f012eae09c 100644
--- a/src/bindings/jna/CMakeLists.txt
+++ b/src/bindings/jna/CMakeLists.txt
@@ -40,7 +40,7 @@ if (Java_JAVAC_EXECUTABLE)
 		if (GRADLE_EXECUTABLE) # set by find_program
 			# check Gradle version
 			execute_process (
-				COMMAND bash "-c" "${GRADLE_EXECUTABLE} -v | grep 'Gradle *' | egrep -o '[0-9]+\.[0-9]+\.[0-9]+'"
+				COMMAND bash "-c" "${GRADLE_EXECUTABLE} -v | grep 'Gradle *' | egrep -o '[0-9]+\.[0-9]+(\.[0-9]+)?'"
 				OUTPUT_VARIABLE GRADLE_VERSION
 				OUTPUT_STRIP_TRAILING_WHITESPACE)