diff --git a/contrib/devtools/build_autotools.sh b/contrib/devtools/build_autotools.sh
index e4b00e3b8..36d93455a 100755
--- a/contrib/devtools/build_autotools.sh
+++ b/contrib/devtools/build_autotools.sh
@@ -1,27 +1,27 @@
 #!/usr/bin/env bash
 
 export LC_ALL=C
 
 set -euxo pipefail
 
 : "${TOPLEVEL:=$(git rev-parse --show-toplevel)}"
 : "${BUILD_DIR:=${TOPLEVEL}/build}"
 
 # Default to nothing
 : "${CONFIGURE_FLAGS:=}"
 : "${THREADS:=$(nproc || sysctl -n hw.ncpu)}"
 
 # Generate necessary autoconf files
 cd ${TOPLEVEL}
 ./autogen.sh
 mkdir -p "${BUILD_DIR}"
 cd ${BUILD_DIR}
 
 rm -f build.status test_bitcoin.xml
 
 read -a CONFIGURE_FLAGS <<< "$CONFIGURE_FLAGS --prefix=$(pwd)"
 
-../configure --enable-deprecated-build-system "${CONFIGURE_FLAGS[@]}"
+"${TOPLEVEL}"/configure --enable-deprecated-build-system "${CONFIGURE_FLAGS[@]}"
 
 # Run build
 make -j "${THREADS}" "$@"
diff --git a/contrib/devtools/build_cmake.sh b/contrib/devtools/build_cmake.sh
index a581793a8..41ca413a7 100755
--- a/contrib/devtools/build_cmake.sh
+++ b/contrib/devtools/build_cmake.sh
@@ -1,87 +1,87 @@
 #!/usr/bin/env bash
 
 export LC_ALL=C
 
 set -euxo pipefail
 
 : "${TOPLEVEL:=$(git rev-parse --show-toplevel)}"
 : "${BUILD_DIR:=${TOPLEVEL}/build}"
 
 function usage() {
   echo "Usage: $0 [--Werror] [targets]"
   echo "Build the targets using cmake and ninja."
   echo "If no target is provided the default (all) target is built."
   echo
   echo "Options:"
   echo "  --clang: build with clang/clang++"
   echo "  --gcc: build with gcc/g++"
   echo "  --Werror: add -Werror to the compiler flags"
   echo "Environment variables:"
   echo "  CMAKE_FLAGS: array of the CMAKE flags to use for the build"
   echo "  BUILD_DIR: the build directory, (default: ${BUILD_DIR}})"
   echo "  TOPLEVEL: the project root directory, (default: ${TOPLEVEL}})"
 }
 
 # Default to nothing
 : "${CMAKE_FLAGS:=}"
 
 mkdir -p "${BUILD_DIR}"
 cd ${BUILD_DIR}
 git clean -xffd
 
 read -a CMAKE_FLAGS <<< "${CMAKE_FLAGS}"
 
 TARGETS=()
 while [[ $# -gt 0 ]]; do
   case $1 in
     --clang)
       CMAKE_FLAGS+=(
         "-DCMAKE_C_COMPILER=clang"
         "-DCMAKE_CXX_COMPILER=clang++"
       )
       shift
       ;;
     --gcc)
       CMAKE_FLAGS+=(
         "-DCMAKE_C_COMPILER=gcc"
         "-DCMAKE_CXX_COMPILER=g++"
       )
       shift
       ;;
     --Werror)
       CMAKE_FLAGS+=(
         "-DCMAKE_C_FLAGS=-Werror"
         "-DCMAKE_CXX_FLAGS=-Werror"
       )
       shift
       ;;
     *)
       TARGETS+=("$1")
       shift
       ;;
   esac
 done
 
-cmake -GNinja .. "${CMAKE_FLAGS[@]}"
+cmake -GNinja "${TOPLEVEL}" "${CMAKE_FLAGS[@]}"
 
 # If valid targets are given, use them, otherwise default to "all".
 if [ ${#TARGETS[@]} -eq 0 ]; then
   TARGETS=("all")
 else
   mapfile -t VALID_TARGETS < <(ninja -t targets all | cut -d ':' -f 1)
   # "all" is not part of the targets exported by ninja, so add it.
   VALID_TARGETS+=("all")
   IFS=" "
   for TARGET in "${TARGETS[@]}"
   do
     # The array prints as a space delimited word list, surround the target with
     # spaces to avoid partial match.
     if [[ ! " ${VALID_TARGETS[*]} " =~ \ ${TARGET}\  ]]; then
       echo "Trying to build an invalid target: ${TARGET}"
       exit 2
     fi
   done
 fi
 
 # Run build
 ninja "${TARGETS[@]}"