diff --git a/projects/open62541/build.sh b/projects/open62541/build.sh
index 10dba4e61..48a24b7e3 100755
--- a/projects/open62541/build.sh
+++ b/projects/open62541/build.sh
@@ -28,6 +28,7 @@ cd $WORK/open62541
 # > 600 No LOG output
 
 cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DUA_ENABLE_AMALGAMATION=OFF \
+      -DPYTHON_EXECUTABLE:FILEPATH=/usr/bin/python2 \
       -DBUILD_SHARED_LIBS=OFF -DUA_BUILD_EXAMPLES=OFF -DUA_LOGLEVEL=600 \
       -DUA_BUILD_OSS_FUZZ=ON \
       $SRC/open62541/